ESSLNB - Buying Guide

Bestselling from ESSLNB on Amazon

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3. ESSLNB Opera Glasses Binoculars for Women Adults 4X30mm Theater Glasses Compact Binoculars for Theat...
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10. ESSLNB 10X50 Marine Binoculars for Boating with Illuminated Rangefinder and Compass IPX7 Waterproof ...

Features

• [High-Transmission Optical Lens] The 400mm focal length and big objective lens, as well as the multi-fully high transmission coated all-optical lens, improve image brightness and clarity. The 80mm objective diameter provides a broad field of view and comfortable viewing. Excellent moon telescope for children, adults, and astronomy novices.
• [3X Magnification] This adult telescope employs 1.25 high power interchangeable eyepieces with the newest generation of Kellner eyepieces (K9mm,K25mm), and a 3X Barlow lens to improve magnification three times. To avoid damage, the eyepieces and Barlow lens are stored separately in a tiny accessory bag. A metal moon filter helps shield your eyes from glare.
• [Erect Images and Comprehensive Viewing Angle] Because of the 128 Erect-image diagonal prism and the 5X20 Erect-image finder scope, our telescopes produce Erect pictures. The 128 diagonal prism can rotate 360 . Erect pictures and a wide viewing angle provide more comfortable and liberated observation than other inverted diagonals. The telescope phone adapter with 10X eyepiece allows for easy installation and video or picture capture.
• [Optimum Viewing Position] For varied viewing locations, an aluminum tripod may be adjusted by 180 degrees in the vertical direction and 360 degrees in the horizontal direction. The novice telescope's height may be adjusted to 120cm. The stargazing telescope for youngsters comes with a backpack that makes it easy to transport.
• [Package Inclusions]- 1 x telescopios astronomic, 1 x K25mm eyepiece, 1 x K9mm eyepiece, 1 x 3X Barlow lens, 1 x Protective Cover, 1 x Adjustable tripod (Tray included), 1 x Finder scope, 1 X Phone adapter with 10X eyepiece. You need not use it along with K9/25mm because the phone adapter has 10X eyepiece itself, 1 x Star target planisphere (PVC), 1 x Metal moon filter, 1 x Backpack, 1 x Accessory backpack, 1 x Cleaning cloth, 1 x User manual.
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Features

• 30mm Multi-coated Objective Lens : 30mm lens with broadband coating technology allows an optimal bright, wider angle of view. This mini binoculars easily gather more extra light and has 3.2mm larger eyepiece than 25mm small aperture binoculars with brighter imaging. Adjustable interpupillary distance offers you more comfortable feeling of view.
• Magnification Power : Our updated theatre binoculars has 4X powerful magnification, which is larger magnification than 3X concert binoculars and better sharpness.With crystal clear optics, it helps observing every player's faces and gestures with clear and crisp quality.
• Ergonomic Design and Central Focusing : The cylindrical design of the telescope body is ergonomic.The bend of the cylinder fits the grip of your hands, so it s more comfortable to hold. Adjust smoothly the center-focus knob in the middle of sharpness to achieve the effect of high definition,easy on focus even for kids.
• Exquisite Concert Binoculars : Binoculars come with a updated delicate gold chain harmonizes perfectly with your outlook. Compared to the old chain with black lines, it can t loose ,twine,knot and breakage. This appearance is applied in a piano lacquer technique.
• Portable and Foldable Theater Glasses : It is easy to carry in a small binoculars bag pounch because of lightweight and compact features. There are 3 colors to choose. Red one is elegant for lady as a gift, then black or gold one is suitable for gentleman, even for ladies.It s an exquisite and perfect choice as birthday, Christmas, Thanksgiving, New Year Day s gift.
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Features

• 30mm Multi-coated Objective Lens :30mm lens with broadband coating technology allows an optimal bright, wider angle of view. This mini binoculars easily gather more extra light and has 3.2mm larger eyepiece than 25mm small aperture binoculars with brighter imaging. Adjustable interpupillary distance offers you more comfortable feeling of view.
• Magnification Power: Our updated theatre binoculars has 4X powerful magnification, which is larger magnification than 3X concert binoculars and better sharpness.With crystal clear optics, it helps observing every player's faces and gestures with clear and crisp quality.
• Ergonomic Design and Central Focusing: The cylindrical design of the telescope body is ergonomic.The bend of the cylinder fits the grip of your hands, so it s more comfortable to hold. Adjust smoothly the center-focus knob in the middle of sharpness to achieve the effect of high definition,easy on focus even for kids.
• Exquisite Concert Binoculars : Binoculars come with a updated delicate gold chain harmonizes perfectly with your outlook. Compared to the old chain with black lines, it can t loose ,twine,knot and breakage. This appearance is applied in a piano lacquer technique.
• Portable and Foldable Theater Glasses: It is easy to carry in a small binoculars bag pounch because of lightweight and compact features. There are 3 colors to choose. Red one is elegant for lady as a gift, then black or gold one is suitable for gentleman, even for ladies.It s an exquisite and perfect choice as birthday, Christmas, Thanksgiving, New Year Day s gift.
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Features

• Excellent Optics 70mm Aperture and 700mm Focal Length, multi-fully coated optical glass lens with high transmission coatings enhance image brightness and clarity. It is a perfect telescope for adults or astronomy beginners as birthday gifts.
• High Magnification Equipped with three replaceable Eyepieces (K4/K10/K20) , you can get magnification of 35X to 175X. 3x Barlow lens trebles the magnifying power of each eyepiece, making magnificate moon up to 525X. Erect-Image red dot finder scope helps you to find target faster and easier.
• Adjustable Tripod and Phone Adapter The altazimuth stainless steel adjustable tripod is sturdier and more stable and can be adjusted to any height or angle. You can send your friends the pictures and videos using a smartphone adapter.
• Easy to Operate This telescope is pre-assembled, easy to put together without the use of additional equipment and quick to focus in order to save you time.
• Great Service We provide friendly customer service and assistance for a full 12 months. Please don't hesitate to ask us any questions; we'll try to respond to you in 24 hours.
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Features

• Giant Binoculars:13-39X zoom magnification and 70mm fully multi-coated objective offer great brightness and higher-contrast images in low-light and long-range conditions, which has higher-contrast images and reduces color errors and distortions.
• Astronomy Binoculars with smartphone adapter and Tripod Adapter: Phone adapter with rubber sucker, which can 180 angle and length adjustment,is easy to set up and take images. Tripod adapter for steady, hands-free viewing.
• With the easy-to-reach control knob on your left hand, it s more convenient and quick to change the magnification from 13X-39X. Right diopter ring can be adjusted to meet different visions requirements between two eyes.
• Long eye relief is also ideal for eyeglass wearers. 288ft field of view at 1000 yards offers you a wider field of view. Easier to observe fast moving objects.This zoom binocular offers you a new feeling of viewing experience.
• Binoculars astronomical:Long range binoculars with 13X-39X magnification is designed for long distance terrestrial and astronomical viewing. Perfect for moon star bird watching. It's good gifts for adults on Father's Day, birthday or Christmas.
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Features

• [Professional Astronomy Telescopes] Wider fields of view and a larger exit pupil distance are provided by 1.25" Kellner eyepieces (K6, K25). The monocular telescope can magnify up to 350X thanks to a 3X Barlow lens that increases magnification by 3 times. Brightness and clarity are improved by fully coated glass optical components with high transmission coatings.
• [Erect Image Astronomical Telescope] Our telescope's 45 erect-image diagonal prism makes it simple for beginners to observe the moon. Users of the 5x24 finder scope can locate targets more quickly and earlier. 700mm focal length and 60mm aperture for a refractor telescope. These telescopes make excellent gifts for adults or those astronomy lovers.
• [Refractor Telescope with Altazimuth Mount] The lightweight telescope frame has an Alt-Az control panning handle for accurate and smooth pointing. Smooth panning motion is provided by an adjustable aluminum tripod. Storage is made easy with an accessory tray. Setup is quick and simple, no tools required.
• [Practical Accessory] The spotlight effect of the telescope makes the moon too bright to see details during or just after a full moon period. Better observation and glare protection are provided by metal moon filters.
• [Great Gift and Package List] For astronomy beginners, our refractor telescope makes a wonderful Christmas or birthday present. Astronomical telescopes, K25mm and K6mm eyepieces, a 3X Barlow lens, a 45 upright diagonal, an adjustable tripod (with tray), a phone adapter, a finder scope, a constellation diagram (in PVC), a metal moon filter, a protective cover and a user manual are included.
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Features

• 30mm Multi-coated Objective Lens :30mm lens with broadband coating technology allows an optimal bright, wider angle of view. This mini binoculars easily gather more extra light and has 3.2mm larger eyepiece than 25mm small aperture traditional one with brighter imaging. Adjustable interpupillary distance offers you more comfortable feeling of view.
• Magnification Power: Our updated theatre binoculars has 4X powerful magnification, which is larger magnification than 3X concert binoculars and better sharpness.With crystal clear optics, it helps observing every player's faces and gestures with clear and crisp quality.
• Ergonomic Design and Central Focusing: The cylindrical design of the telescope body is ergonomic.The bend of the cylinder fits the grip of your hands, so it s more comfortable to hold. Adjust smoothly the center-focus knob in the middle of sharpness to achieve the effect of high definition,easy on focus even for kids.
• Exquisite Concert Binoculars : Binoculars come with a updated delicate gold chain harmonizes perfectly with your outlook. Compared to the old chain with black lines, it can t loose,twine,knot and breakage. This appearance is applied in a piano lacquer technique.
• Portable and Foldable Theater Glasses: It is easy to carry in a small binoculars bag pounch because of lightweight and compact features. There are 3 colors to choose. Red one is elegant for lady as a gift, then black or gold one is suitable for gentleman, even for ladies.It s an exquisite and perfect choice as birthday, Christmas, Thanksgiving, New Year Day s gift.
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Features

• 70mm Large Aperture : Equipped with 70mm aperture and 360mm focal length, adult beginners telescope increase light transmission and provide clearer images. Fully multi-coated optical glass with high transmission coatings creates crisp images with increased brightness and clarity.
• High Magnification : With latest generation of two (K6mm,K25mm) 1.25 interchangeable Kellners eyepiece, the telescope is better than Huygens eyepieces. 3X Barlow lens trebles the magnifying power of each eyepiece, so you can get magnification of 15X to 180X.
• Adjustable Tripod & Phone Adapter : The refractor telescope is available with an adjustable aluminium tripod, which can adjust the height from 16.1 to 51.6. Astronomical telescopes with phone adapter enable you take videos and images.
• Easy Installation : The telescope with the detailed installation manual is easy to assemble even for astronomy beginners. And the beginner telescope is easy to focus, so you can find targets quickly and see clear images. Great astronomy gifts to send the amateur astronomers and beginners.
• Satisfaction Service : We provide unlimited technical support and friendly customer service for you. If you have any questions, please feel free to let us know, we will do our best to help you in 24 hours!
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Features

• BAK4 prisms for increased contrast and resolution ensures sharp, true-to-life color of observed subjects.18mm bright BAK4 prism lens fully take advantage of 50mm fully multi-coated green film objective lens, collect more lights, and deliver brighter view. 22mm large FMC green film eyepieces increase light transmission through the entire optical path and offer a wider field of view.
• Dry nitrogen-filled and O-ring sealed IPX7 waterproof binoculars can be in water for 30 minutes under 1.5 meters depth.Rubber armor provide enhanced waterproof and fogproof performance in extreme weather conditions.Bird-watching binoculars for adults, men, women and kids are more compact and lightweight.
• Close focus of 6.5 feet for viewing nearby subjects. Close Focus allows you to get so close,and you can capture every color and detail.Low-light night vision binoculars can deliver clear vision in weak light condition(not totally dark).Comfortable 4mm exit pupil will cover most pupils as they open and dilate in low light to keep the full scene in view.12X long range binoculars achieves more steady image under rough conditions without image blur.
• Parallax adjustment wheel and focusing wheel are made of metal for durability.The right eyepiece parallax adjustment wheel can compensate the differential vision to achieve better images for both eyes.Central focusing wheel adjust focus more easily and smoothly to find the target precisely.Twist-up eyecups are comfortable to use with or without eyeglasses and can be easily positioned.
• Roof prism binoculars with phone adapter is easy to set up and take videos or photos in the distant world. 1/4-20 threads on the front, you can connect it to a tripod with a binocular adapter.Shock-absorbing rubber armor prevents moisture, dust and debris from entering the binoculars,as well as a a firm grip. 12X binoculars with bag and strap, it s easy to carry and perfect for outdoor activities such as climbing, hiking,and watching scenery.
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Features

• Our marine binoculars utilize 10X real magnification instead of using 7X optics in order to reduce costs.Binoculars with 50mm HD objective lens and 23mm eyepiece offer a wide view and comfortable observation.BAK4 Porro Prisms and FMC green film anti-reflex coating reduces the reflected light and improves light transmittance.8 pieces 6 groups of lenses extent to avoid image edge distortion.
• Military binoculars with internal rangefinder scale and built-in compass for measurement and orientation,you can directly calculate the distance or size of objects.Rangefinder and compass scale are illuminated by light button.Low-light vision binoculars can provide better brightness of images as long as there is light or in low-light conditions (not totally dark).
• This boating binoculars come with Nitrogen-filled waterproof, fog-proof and Anti-shake design. The waterproof grade is up to IPX7.So the navigation binoculars is suitable for outdoor use.Under 1.5m depth for 30 minutes,so no worries if dropped into the ocean. 10x50 binoculars body is made of metal, which is more solid and durable.
• Two 5 left and right diopter adjustment rings can focus sharp optics to meet the different requirements of vision based on your individual left and right eyesight.The eye cups can be easily folded down for use with glasses.Non-slip and ergonomic rubber design offer a secure grip and heavy-duty rubber armor provides great shock resistance.
• Binoculars with bag and floating strap is easy to carry.Loss-proof object lens covers can directly hange on rangefinder binoculars body to prevent missing,which also protect lenses and eyepieces.2pcs batteries are included.
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Features

• 5X40 Infrared Hunting Camera: Digital monocular with CMOS sensor achieves clear view up to 5X optical magnification and 8X digital zoom magnification with 40mm objective lens. Built-in infrared Illuminator enable observe target in totally dark condition and the range up to 656 feet. CCD auxiliary lighting keep the image clear and bright.During the day or low light, observation distance is infinite.Eyepiece adjustable diopter and eye cup can be folded down for wearing eyeglasses observation.
• With good image intensifiers and high-sensitivity imaging arrays, digital night vision provides high-quality images/videos. It can connect computer, Android phone, tablet with USB cable and OTG connector, connect TV with TV cable, USB and AV OUT sockets are equipped that allow you can share your images and videos to your family and social media. 16G TF card included can enlarge the storage. You can rotate the focusing handwheel and it's easy to adjust it until you get a clear image.
• The monocular features a threaded tripod mount and weaver rail for securing to a tripod or connecting an additional IR illuminator. It recharges the battery using the DC IN socket by a power adapter. It is suitable for hunting and scouting game; security and surveillance; camping fun ;exploring caves; nighttime navigation; night fishing and boating; wildlife observation; search and rescue; nighttime show ;bird watching ;scenery.
• Solid framework: Rubber armor with stripes makes it comfortable for use and keeps it from slipping out from your hand. Tight fitting protection makes it usable to withstand the toughest weather conditions.Completely sealed and nitrogen filled makes it fog and rain proof prevent moisture and dust from getting inside the monocular.
• Great Camouflage Infrared Camera: With various accessories for equipment and easy storage and carrying. Package List: 1x AV Video Cable,1x USB Cable, 1X16GB TF card, 1x Power Adapter, 1x OTG Connector, 1x Pouch, 1xAccessory Bag, 1x Operating Instructions, 1x Hand Grip Strap, 1x Battery, 1x Cleaning Cloths.
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Features

• 50mm Objective Lens The pirate telescope is equipped with an 50mm objective lens, which provides plenty of light and a better view of the target once set, compared to 30mm objectives. Fully multi-coated 50mm lens provides a field of view of 342ft/1000 yards, helping you to get a clearer and wider view.
• Lightweight & Portable With its mini size and telescopic design, the pocket telescope is lightweight and easy to carry, so you can take the pirate brass telescope with you wherever you go and never miss any important view.
• Premium Quality Material The portable telescope has a classic design with high quality aluminium alloy. It uses a push and pull mechanism to focus on distant objects. You need to pull it all the way out and slowly push the barrel in while looking through the telescope until the desired object becomes clear.
• Various Application This handheld telescope is ideal for hunting, shooting, hiking, travelling, sightseeing, watching sporting events, bird watching or role playing, etc. The spyglass has excellent optics for real viewing and would make a wonderful usable nautical decoration in any office, boat or home.
• Perfect Gift The pirate spyglass comes with a carrying case so you can take it with you wherever you go and never miss an important or beautiful scene. Perfect as a gift for children to realize their captain's dream of exploring the world.
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Features

• Crystal clear vision is possible with 70mm large lenses and FMC prism. This combination allows for an excellent brightness/power ratio for clear and comprehensive vision. The 70mm fully multi-coated lens and 25mm green film FMC eyepieces ensure better light transmission and reduces color distortions. It offers better image brightness in low-light and long-range conditions.
• Astronomy Binoculars with smartphone adapter and Tripod Adapter: Phone Adapter with rubber sucker ,which can 180 angle and length adjustment, is easy to set up and take images. Tripod adapter for steady, hands-free viewing.
• Left and right diopter rings can meet different visions requirements . 17mm long eye relief is also powerful enough to pick up a lot of details from far away objects,especially for glasses wearers. Large eyepiece diameter offers you wider field of view . It s good for fast moving subjects and get precise viewing.
• Waterproof fogproof binoculars: The rugged, armored body provides protection and a secure gripping surface. Plus, the water-resistant exterior means you won t have to worry about getting caught in an unexpected rainstorm.
• 15x70 Astronomical Binoculars: Long range binoculars with 15X magnification is designed for long distance terrestrial and astronomical viewing. Large eyepiece makes full use of 15X magnification, deliver larger image, and ensure clearer details of distant targets. Perfect for moon star bird watching.
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Features

• This zoom spotting scope features a powerful magnification range that adjustable 25X to 75X magnification.Straight spotting scope quickly find and track moving targets,which fits for viewing the horizontal target or looking down on the target.Retractable sunshade reduce stray light interference when watching birds or watching the moon.
• Fully multi-coated 70mm large green film objective lens achieves superior light transmission and bright wide view.BAk4 prism target spotting scopes for crisp viewing and clear images reduces light leakage or light loss, even in low-light conditions.
• Angle adjusting knob on the tube allows rotation of the eyepiece to a sideways position, providing comfortable viewing angles.Eye cup can be folded down for wearing eyeglasses observation.This zoom monocular scope is an ideal waterproof spotting scope for hunting,target shooting,archery,camping, outdoor sports, wildlife observer.
• Shock-proof, nitrogen-filled waterproof and fog-proof can withstand tough condition. The monocular telescope are sealed with O-rings to prevent moisture and dust from getting into it.High-quality rubber armor provides non-slip grip and durable external protection.
• 360 rotatable metal tripod can adjust viewing angles.With a pan handle is easier to adjust and offer better observation for higher and lower targets. Our updated spotting scope phone mount fits popular smart phones which is easier installation and remove. It enables you to take videos and images.A carrying bag is convenient to store and portable.
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Features

• The zoom binoculars features wide variable range of 15-30X magnification that allows easy targeting and then zoom in for a closer and detailed look. Long range binoculars is designed for long distance terrestrial and astronomical viewing.
• Astro binoculars with 80mm large objectives offer wider field of view than 50mm.BAK-4 fully multi-coated prism with 21mm green film FMC eyepieces ensure better light transmission and bring you crystal clear views in low-light and long-range conditions, which has higher-contrast images and reduces color errors and distortions.
• With the easy-to-reach control knob on your left hand,it s more convenient and quick to change the magnification from 15X-30X. Right diopter ring can be adjusted to meet different visions requirements between two eyes. Long eye relief is also ideal for eyeglass wearers.
• The metal built-in tripod mount makes the binocular perfect for viewing objects far away even celestial viewing. Phone adapter with rubber sucker, which can 180 angle and length adjustment,is easy to set up and take images.The zoom binoculars comes with carrying case and strap.
• Protective rubber covering for ultra-firm grip ensure product durability for long time to use.You needn t worry about getting caught in unexpected tough weather. Easily focus on the target using the precise central adjustment wheel.
• Product Dimension: 14.33 x 9.45 x 4.33 inch (36.4 x 24 x 11cm), Product Weight: 5.11 lbs (2.32kg). Package Included: Binocular, Storage Bag, Phone Adapter, Straps, Cleaning Cloth and Instruction.
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Features

• Spotter Scope with high grade lens :Fully multi-coated 70mm green film objective lens, BAK4 porro prism scope increases light transmission and delivers bright, clear, high-contrast images even in low-light conditions, as well as large view range. Straight spotting scope quickly finds and tracks moving targets, which offers a adjustable magnification from 25X to 75X.
• Better use experience: Built-in retractable sunshade reduces glare and can be stretched out to protect the lens, with angle adjusting knob allows rotation of the eyepiece to a sideways position, providing comfortable viewing angles.
• Easy to set up and carry: Eye cup can be folded down for wearing eyeglasses observation. 360 Rotatable telescopic metal tripod can adjust viewing angles providing any position you want.Up and down adjustment with pan handle is easier observation for higher and lower targets. A carrying bag is convenient to store and portable.
• Durable Construction: High-quality rubber armor provides non-slip grip and durable external protection. Shock-proof, nitrogen-filled waterproof and fog-proof can withstand tough condition. The bird spotting scope are sealed with O-rings to prevent moisture and dust from getting into it.
• Phone attachment: Our cell phone adapter fits popular smart phones with or without cases, which is quicker and easier installation and remove. It enables you to take videos and images in the distant world. This zoom monocular telescope is an ideal waterproof spotting scope for target shooting, hunting, wildlife landscape, traveling, hiking, camping, etc.
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Features

• Shooting Spotting scope with high grade lens :Fully multi-coated 70mm green film objective lens, BAK4 porro prism scope increases light transmission and delivers bright, clear, high-contrast images even in low-light conditions, as well as large view range. 45 angled ergonomic design offers comfortable viewing, which offers a adjustable magnification from 25X to 75X.
• Better use experience: Built-in retractable sunshade reduces glare and can be stretched out to protect the lens, with angle adjusting knob allows rotation of the eyepiece to a sideways position, providing comfortable viewing angles.
• Easy to set up and carry : Eye cup can be folded down for wearing eyeglasses observation. 360 Rotatable telescopic metal tripod can adjust viewing angles providing any position you want. Up and down adjustment with pan handle is easier observation for higher and lower targets. A carrying bag is convenient to store and portable.
• Phone attachment: Our cell phone adapter fits popular smart phones with or without cases, which is quicker and easier installation and remove. It enables you to take videos and images in the distant world. This zoom monocular scope is an ideal waterproof spotting scope for target shooting, hunting, wildlife landscape, traveling, hiking, camping, etc.
• Durable Construction: High-quality rubber armor provides non-slip grip and durable external protection. Shock-proof, nitrogen-filled waterproof and fog-proof can withstand tough condition. The target spotting scope are sealed with O-rings to prevent moisture and dust from getting into it.
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Features

• 80mm Large Objective Lens The field of view is wider with 80mm large lens than it is with 70mm. In low-light and long-range situations, 80mm fully multi-coated lens and BAK4 prisms ensure greater light transmission, bringing you crystal clear views with higher contrast and less color errors and distortions.
• 20X Magnification The astronomy binoculars feature large 80mm objective lens and powerful 20x magnification. They are ideal for long-distance observation of land-based subjects or night-time astronomical observations.
• Waterproof Binoculars The rugged armored housing protects your binoculars from damage and provides a secure gripping surface for long time to use. The waterproof exterior means you don't have to worry about being caught in an unexpected rainstorm.
• Easy to Setup & Carry The astronomy binoculars are easy to use and only need to be adjusted using the central focus wheel. 177ft field of view at 1000 yards offers you a wider field of view. The binoculars come with a bag for easy carrying. Perfect for bird watching, travelling, stargazing and hunting (Product Dimension: 12.6 x 8.98 x 4.53 inch, Weight: 5.09 lbs).
• Built-in Tripod Adapter Built-in tripod mount makes the binoculars perfect for viewing distant objects, even the sky, you can mount your 80mm binoculars on any conventional photographic tripod. Tripod adapter for steady, hands-free viewing; stabilises your view for added comfort and shake-free viewing.
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Features

• 7x50 Floating Marine Binoculars: BAK4 Porro Prisms and FMC green film anti-reflex coating reduces the reflected light and improves light transmittance, image brightness and sharpness. 50mm large objective lens and 23mm eyepiece with high definition wide view are more comfortable to see objects without eye fatigue and dizziness.6.8mm exit pupil offers ideal image brightness and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters.
• Military Binoculars with Rangefinder and Compass: Internal rangefinder scale and built-in compass for measurement and orientation.By specifying calculator dial on left eyepiece, you can directly calculate the distance or size of objects.Rangefinder and compass scale are illuminated by light on/off switch.Low-light vision binoculars can provide better brightness of images as long as there is light or in low-light conditions like lamplight,dawn,twilight(not totally dark).
• IPX7 Waterproof Binoculars: Dry nitrogen filled and O-ring sealed for waterproof protection to prevent dust-proof,fogging and moisture damage in all weather conditions.So this navigation binoculars is suitable for outdoor use. Under 1 meter depth, 100% waterproof and float in water for 30 minutes.So no worries if dropped into the ocean.
• Double Focusing System: Two 5 left and right diopter adjustment rings can focus sharp optics to meet the different requirements of vision based on your individual left and right eyesight.The eye cups can be easily folded down for use with glasses.Non-slip and ergonomic rubber design offer a secure grip and heavy-duty rubber armor provides great shock resistance.
• 7x50 Binoculars with Bag and Floating Strap: It is easy to carry.Loss-proof object lens covers can directly hange on rangefinder binoculars body to prevent missing,which also protect lenses and eyepieces.2pcs batteries are included.This compact binoculars for adults is suitable for navigation,hunting, bird watching and other outdoor activities as birthday and Christmas gifts.
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Features

• 70mm Large Objective Lens The field of view is wider with 70mm large objective astronomical binoculars than it is with 50mm. In low-light and long-range situations, 70mm fully multi-coated lens and BAK4 prisms ensure greater light transmission, bringing you crystal clear views with higher contrast and less color errors and distortions.
• 12-24X Magnification The zoom binoculars have a broad changeable range of 12-24X magnification, making it simple to target an object and then zoom in for a closer and detailed look. They are ideal for long-distance observation of land-based subjects or night-time astronomical observations.
• Easy to Use Astronomy binoculars are easily adjusted using the central focus wheel. The easy-to-reach control knob on your left hand makes it quicker and easier to change the magnification from 12x to 24x. The right diopter ring can be adjusted to suit the different visual requirements of each eye.
• Durability & Multi-application The rugged armored housing protects your binoculars from damage and provides a secure gripping surface for long time to use. Perfect for bird watching, travelling, stargazing and hunting. The giant binoculars can be an ideal gift for adults on Father's Day, birthday or Christmas.
• Phone Adapter & Easy to Carry Our astronomy binoculars have a phone adapter with 180 angle and length adjustment, making it easy to set up and take pictures and videos from a distance. The zoom binoculars come with a carrying bag and strap.
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Features

• Optimal Optical Performance Fully multi-coated 80mm lens provides a field of view of 158-57.7ft/1000 yards. High-density BAK4 prisms increase light transmission and deliver bright, clear, high contrast images even in low light conditions.
• 20-60X Zoom Magnification The ESSLNB spotting scope features a powerful zoom magnification range, adjustable from 20x to 60x magnification. 45 degree angled eyepiece provides an ergonomic design to make viewing more comfortable.
• Large Objective Lens The spotter scope is equipped with an oversized 80mm objective lens, which provides plenty of light and a better view of the target once set, compared to 60mm and 70mm objectives. For long-distance viewing, a dual focus wheel system provides fast and fine-tuned focus adjustment, allowing you to lock on to your target and zoom in for more detail.
• Waterproof & Fogproof The waterproof spotting scope offers exceptional performance in the harshest conditions, the optics are O-ring sealed and nitrogen filled to prevent moisture, dust and debris from entering the scope, providing complete protection in all weather conditions. High quality rubber armor provides a non-slip grip and durable external protection.
• Phone Adapter & Various Application Includes a mobile phone adapter so you can take photos and videos of your observations. The tripod provides more stable viewing from any angle. The portable carrying case, eyepiece caps, lens caps, protective cover and cleaning cloth make it easy to carry and maintain the spotter scope. Perfect for wildlife watching, target shooting, hunting, moon watching, travelling, hiking, camping, archery.
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Features

• Student Biological Microscope Magnification:4X, 10X, and 40X DIN achromatic full-glass objectives in metal barrels that provide high-resolution color-corrected images built with multi-coated highly transparent optical glass with eyepieces WF 10X,WF 25X. 45 inclination with 360 rotation capability reduces eye and neck strain and provides a more comprehensive view and enable sharing.
• Brightfield Microscope:N.A=0.65 Abbe condenser with 6-hole iris diaphragm provide better lighting conditions and brighter field to illuminate specimens. And coaxial coarse and fine focus adjustment offers precise location for sharp and clear images. A set of slides leads you to explore the fantastic tiny things.
• Solid Construction and Durable Usage:Solid all-metal framework and smooth focusing knob. Plain double layer stage with clips and stain resistant finish. It s an excellent microscope for kids and hobbyists to learn science.
• Compound Light Microscope:Incident and transmitted LED light sources with adjustable brightness,which provides bright, cool light for working with temperature-sensitive or live specimens.With a phone adapter, it can record beauty,acquire knowledge in the micro world and cultivate love of science.
• 2 Kinds of Power Supplies:The biological microscopes is powered by a power adapter (adapter included) or 3 AA batteries(not included) for different usage situation.( AC Input 110V,DC ouput 6V).It s a perfect choice for those who love science as a gift.
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Features

• [Multi-Coated Optical Glass] A 360mm focal length and 70mm aperture telescope with completely multi-coated optical glass and high transmission coatings produces clear pictures with improved brightness and clarity. The travel telescope is suitable for amateur astronomers, children, and beginners to see both terrestrial and celestial objects.
• [Interchangeable Lens and Optimum Magnification] The terrestrial telescope employs interchangeable 1.25 Kellner eyepieces of the most recent generation (K6mm,K25mm). Using several coating designs, chromatic aberration and distortion are reduced. The magnification is increased threefold using a 3X Barlow lens. You may experience magnification ranging from 14X to 180X to match your various observational needs.
• [Erect Images and Comprehensive Viewing Angle] Typically, an astronomy telescope provides an inverted image. Our 45 erect-image diagonal prism with integrated reversing lens produces erect pictures. The 5X24 finder scope with mounting bracket allows you to locate objects more quickly and sooner.
• [Optimum Viewing Position] With an adjustment range of 180 in the vertical direction and 360 in the horizontal direction, you can accurately follow things day or night. The lightweight and robust Aluminum tripod has a height adjustment range of 41cm to 131cm. Moon telescope with phone mount allows you to capture videos and photographs of the moon and the sky. This beginning telescope is quick and simple to put up, even for inexperienced users.
• [Ideal Gift with Accessories] Due to the spotlight effect of the telescope, the moon is too bright to view details at or around a full moon phase. As a result, a metal moon filter can shield your eyes from glare. The constellation diagram assists you in quickly locating a constellation. It is an excellent resource for youngsters and anyone new to astronomy. The objective cover can shield the lens from dust and scratches. This novice telescope is an excellent Children's Day present.
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Features

• 90MM Large Aperture The telescopes for adults astronomy are equipped with 90mm aperture and 700mm focal length and fully multi-coated optical lens. 90mm large aperture increases light transmission and provides clearer images. Fully multi-coated high transmission optical glass can reduce light refraction and increase brightness and clarity.
• Optimum Magnification With the latest generation of two interchangeable Plossl eyepieces (PL10mm/PL20mm) , the adult telescope is better than Kellners eyepieces and Huygens eyepiece. 3X Barlow lens trebles the magnifying power of each eyepiece, so you can get magnification of 35X to 210X.
• Adjustable Tripod and Phone Adapter Equipped with a upgraded 1.25 stainless steel tripod, the telescope is more stable and not easy to shake. The tripod can be adjusted from a height of 27 to 45, providing you with a wide range of viewing angles to suit people of different heights. Astronomical telescopes with phone adapter enable you take videos and images.
• Portable & Easy to Assemble Our telescopes for adults come with a carrying bag. All accessories can be stored in the bag, making it easy to carry and store when travelling. It is pre-assembled, easy to put together without the use of additional equipment and quick to focus in order to save you time.
• Great Gift & Satisfied Service Our astronomy telescope is a great choice as a Christmas or birthday gift for adults, astronomy beginners. It can stimulate interest in astronomy and science, exploring the unknown. We provide friendly customer service and assistance for a full 12 months. Please don't hesitate to ask us any questions; we'll try to respond to you in 24 hours.
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Features

• See In 100% Darkness : ESSLNB night vision monocular features infrared illuminator to help you view animals or plants clearly in total darkness or dim ambient light. With outstanding optical clarity, it can capture high definition photos & videos. You can fully enjoy the wonderful moments even at night.
• 984FT Long Viewing Distance : Built-in 3W infrared LED, 850nm illuminator enables you to observe target 984 feet away clearly in darkness. 7 Levels adjustable infrared design can adapt to the needs of different people in different environments to obtain the best results. The higher-level IR is adjusted, the clearer image is.
• 8X Digital Zoom : Digital night vision monocular features a 8x digital zoom with 2x optical magnification, you can easily to adjust to the best focal and observe more clear details of targets in any environment. It will be your good helper for camping, hunting, fishing, sailing, reconnaissance, outdoor exploration, search and rescue, wildlife observation, courtyard monitoring, bird watching, landscape photos.
• 1080P FHD Photos & Videos : Our night night goggles come with a 25mm objective aperture and 1.5-inch TFT LCD display screen, making it easy to view photos instantly and observe more clear details of targets. With good image intensifiers and high-sensitivity imaging arrays, it provides high-quality 1080P FHD images/videos. 32GB SD card included can enlarge the storage and it can support up to 128 GB SD card.
• Lightweight & Portable : Equipped with extra buffer belt, the handheld digital night vision fits comfortably in your hand and you can focus on target quickly to record pictures or videos stably. With lightweight compact design, it's easy to put it in your pocket and making it easy to carry around when hunting.
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Features

• Equipped with 500mm focal length and 114mm large aperture, all glass optical components with high transmission fully-coatings for enhanced image brightness and clarity. The reflecting telescope adopts a sturdy and light frame structure, the carbon fiber was covering on the surface.
• The latest generation of three 1.25 interchangeable Kellners eyepiece(K10/K20) with 3X Barlow lens increase three times magnification, making beginner telescope up to 150X. It is a perfect telescope for adults or those astronomy beginners as gifts. This telescopes with erect-Image red dot finder scope which can help you to find target faster and easier than traditional optical finder scope.
• Gifts include a shutter control to explore the nature and take amazing celestial photos.The smart phone adapter with 20 suction cups increase the stability of phone and is faster to setup without adjustment. Metal moon filter improves better observation and also protect your eyes from glare.
• Altazimuth tripod made of stainless steel is solider and stabler. The telescope tripod with a slow motion control pan handle and a compass is for accurate location,precise tracking. And reflector telescope can be adjustable by 180 in the vertical direction and 360 in the horizontal direction for different viewing positions. With an accessory tray, lens are easy for storage.
• Package List: 1 x Astronomical Telescope,1 x K20mm Eyepiece,1 x K10mm Eyepiece,1 x Red Dot Finder Scope,1x Barlow Lens,1 x Adjustable Steel Tripod,1X Tray,1x Shutter Control,1X Phone Adapter,1 x Constellation Diagram,1 x Moon Filter,1 x User Manual.
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Features

• The infrared night vision camera has clearer photo shooting and video recording,playback functions on 1.5 inch TFT LCD.It also can connect computer with USB cable.High-sensitivity CMOS Sensor achieves 1280x960 high definition images and videos you take.The device supports 8GB-32GB TF Card.With 32GB memory card (32G included), it stores about 5 hours video or about 30,000 photos.
• 3W infrared LED,850nm Illuminator enable observe target in totally dark condition and the range up to 656ft.7 levels of IR brightness are adjustable according to the ambient light.The digital night vision has a 3X optical magnification and up to 4X digital magnification.You can rotate the focusing handwheel and it's easy to adjust it until you get a clear image.
• Fully multi-coated optical clarity,high performance night vision goggles achieves clear view up.It is easier to catch dark light and more power-efficient.CCD auxiliary lighting keep the image clear and bright.During the day or low light, observation distance is infinite.Day or night use, IR off for daytime color. The infrared night vision just powered by 5 alkaline batteries(included).
• The night vision monocular with wristbands is compact and lightweight,only weighs 175g.You can easily store it in your pocket and it is perfect for outdoor activities like night hunting, surveillance jobs, wildlife observation, outdoors adventures at full dark.The monocular features a threaded tripod mount for being connected with the tripod,which help you better observation.
• Solid framework makes this night vision goggles stable for long time use and keeps it from slipping out from your hand. Tight fitting protection makes it usable to withstand tough weather condition.Sealed and nitrogen filled feature can prevent moisture and dust from getting inside the monocular.
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Features

• This USB digital microscope uses the built-in 7 large high definition LCD screen,compare to 4.3 inch electronic microscope,7 screen provides a broad field of view for easy viewing.1200X screen microscope shows exquisite details and delicate pictures.The LCD microscope with screen can record 1080FHD,1080P,720P video,capture up to 4032*3024 pixel photos and have playback function with 32G TF card(INCLUDED).
• The built-in 8 LED lights and 2 extra lights with adjustable intensity control allow you to set the desired level of brightness.It also provides excellent detail and optimal clarity and allows capture pictures or video in some dark places.With a remote control,it is easier to operate and keep the image stable.The remote control allow you to take pictures,record videos,playback,zoom in, zoom out and other simple operations.
• Freely adjustable metal stand can move up and down, providing long working distance.perfect for electronic repairs and solder,plants observations, fabric weaving, coins and tiny electrical components inspection etc.The Aluminum metal base minimizes shaking and view the object steadily and accurately.
• The portable digital microscope supports powered by rechargeable Li-ion battery, powerbank or USB plug power,it's easy to carry outdoors for appraisal biologic use. Lens cover can solve the problem of reflection encountered during observation and maintenance of some circuit board objects.
• USB digital microscope supports connecting to PC via usb cable for viewing details.There are two modes selections.One is to read the pictures and videos captured in the memory card.The other one is PC Camera which is used to operate the microscope camera and observe the object on PC.LCD microscope is compatible for Windows XP ,Win7/8/10, Mac 10.5 or above.
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Features

• Built-in 3 LCD screen can be converted to 4 larger viewing screen due to the convex lens. Night vision binoculars feature a sensitive CMOS sensor, achieving HD pictures and videos
• Our night vision googles are equipped with 3X digital zoom and 3.6X-10.8X magnification, achieving powerful magnification and offering more details of targets
• 5W infrared LED ensures farther viewing distance up to 948ft/300m and 400-700m with the power bank. 5 IR levels are adjustable and 7 IR levels when charged by the power bank
• Powered by batteries (included), the night vision can work for 10 hours. Users can also use a power bank to power up this night vision googles in a convenient way
• Support for 8GB-128GB card. Our night vision scope comes with a 64GB card, which enables to store 80,000 pictures. Easy to upload materials to PC and TV via USB and A/V cable
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Features

• 50mm Objective : A full 12x magnification and 50mm objective lens diameter monocular telescope provides a wider field of view. Due to the large objective lens, more light enters the monocular and the image is brighter. The adult monocular is compact and lightweight, but is also suitable for children.
• Excellent Optics : High definition monocular telescope uses advanced optical technology equipped with 18mm BAK4 prism and 50mm fully multi-coated green film objective lens, which can collect more light and deliver high contrast and clearer images. The 20mm eyepiece offers 99.5% total light transmission for a brighter view.
• IPX7 Waterproof : IPX7 nitrogen-filled waterproof monocular with anti-fog coating and O-ring sealed optics. Keeps moisture, dust and debris out and clear. Durable grained rubber armouring provides comfort, a non-slip grip and durable external protection for your hand. The high powered monocular is ideal for hunting, landscaping, birdwatching, hiking, exploring as well as concerts, large stage games and sports.
• Compact & Ergonomic Design : Outdoor compact monocular is not only lighter weight, but adds more ergonomic design, allow you to focus on your target quickly and accurately with just one hand, great for adults and children. The built-in low light night vision monocular helps you see things in low light (not total darkness).
• Tripod & Phone Adapter : 1/4-20 tripod thread hole is widely compatible with most monocular, binocular, small DSLR cameras. This tripod provides full adjustability with a 90 angle and 360 rotation capacity. It's easy to set up with push-button locking mechanism. You can take videos or pictures in the distant world with phone adapter.
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