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Best Telescope Dew Caps - Buying Guide

Last Updated: 12/07/2019

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  #1

AquaNation - Dew Cap Replacement (Quality of 3)

Model: 4332048535   |    Mpn: AQ3PKDEW   |    Ean: 0748774442069   |    PartNumber: AQ3PKDEW   |   Asin: B06XSCWTYG

This simple but effective item is the heart and soul of keeping your purified water contained. This 55mm crown or snap-on light blue cap is the industry standard cap for 3 and 5 gallon water bottles. Its standard intergrated cup seals both the interior and exterior neck of the bottle. Release tab on the outer edge makes removing the cap a breeze. The cap fits both glass and plastic 3 and 5 gallon bottles with a "crown" or "snap-on" top. For reference, outside dimension for the bottle opening would be 2.165 inches. If you currently have a snap cap for the bottle the outside dimension of that cap is about 2.75 inches Will not fit the screw on type of bottle, BPA Free, made in USA

Features

  • Replacement cap for most of 3 & 5 gallon snap top water bottles, pack of 3
  • Light blue cap easy to remove
  • Interior cup assures a seal between bottle & cap, nice and snug
  • It fits both plastic and glass water bottles
  • The perfect solution to transporting water, BPA Free, made in USA, sold exclusively by AquaNation LLC
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Brand: AquaNation   |   Manufacturer: AquaNation

Package Dimensions: 1.18 x 2.99 x 6.1 inches (3.0 x 7.6 x 15.5 cm)

Amazon Price: $6.25 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $6.25

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  #2

AquaNation AQ6DEW Dew Cap Replacement (Quality of 6)

Model: AQ6DEW   |    Mpn: AQ6DEW   |    Ean: 0748774442076   |    PartNumber: AQ6DEW   |   Asin: B06XSZPPPX

This simple but effective item is the heart and soul of keeping your purified water contained. This 55mm crown or Snap-On light blue cap is the industry standard cap for 3 and 5 gallon water bottles. Its standard integrated cup seals both the interior and exterior neck of the bottle. Release tab on the outer edge makes removing the cap a breeze. The cap fits both glass and plastic 3 and 5 gallon bottles with a "crown" or "Snap-On" top. For reference, outside dimension for the bottle opening would be 2.165 inches. If you currently have a snap cap for the bottle the outside dimension of that cap is about 2.75 inches will not fit the screw on type of bottle, BPA free, made in USA.

Features

  • Replacement cap for most of 3 & 5 gallon snap top water bottles, pack of 6
  • Light blue cap easy to remove
  • Interior cup assures a seal between bottle & cap, nice and snug
  • It fits both plastic and glass water bottles
  • The perfect solution to transporting water, BPA free, made in USA, sold exclusively by AquaNation llc
  • See more on Amazon...

Brand: AquaNation   |   Manufacturer: AquaNation

Item Dimensions: 1 x 6 x 9 inches (2.5 x 15.2 x 22.9 cm)   |   Package Dimensions: 1.46 x 6.81 x 6.97 inches (3.7 x 17.3 x 17.7 cm)

Amazon Price: $7.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $7.99

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  #3

Dew Cap Dew Cap Replacement, Blue (Pack of 6)

Model: HOZQ8-079   |    Mpn: HOZQ8-079   |    Ean: 0651728096327   |    PartNumber: HOZQ8-079   |   Asin: B0086RL17U

This simple but effective item is the heart and soul of keeping your purified water contained. This 55mm crown or Snap-On light Blue cap is the industry standard cap for 3 and 5 gallon water bottles. Its standard integrated cup seals both the interior and exterior neck of the bottle. Release tab on the outer edge makes removing the cap a breeze. The cap fits both glass and plastic 3 and 5 gallon bottles with a \"crown\" or \"Snap-On\" top. For reference, outside dimension for the bottle opening would be 2. 165 inches. If you currently have a snap cap for the bottle the outside dimension of that cap is about 2. 75 inches. Dew Cap replacement (6Pk), country of origin - United States, manufacturer name - L. D. Carlson.

Features

  • Replacement cap for 3 & 5 gallon snap top water bottles
  • Light Blue cap offers a release tab for easy remove
  • Interior cup assures a seal between bottle & cap
  • It fits both plastic and glass water bottles
  • The solution to transporting water
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Brand: Dew Cap   |   Manufacturer: L.D. Carlson

Package Dimensions: 1.1 x 5.7 x 5.7 inches (2.8 x 14.5 x 14.5 cm)

First Available: 2017-08-05

Amazon Price: $5.49 | as of 12/07/2019(2:08pm pst)
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List Price: $5.49

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  #4

Astromania Flexible Dew Shield for Telescope Front Outer Diameter from 148-167mm Diameter - Keep Dew Away and Gives You Clear observing for The Entire Night

Model: SKU_AM_FDS580   |    Mpn: SKU_AM_FDS580   |    Ean: 6970019295695   |    PartNumber: SKU_AM_FDS580   |   Asin: B01LZPCQBV

A dew shield is an essential accessory that protects your optical tube from excess moisture forming condensation on the corrector lens. A lens shade also helps block out stray light outside the path of the telescope for better viewing and astroimaging.Astromania dew shield keeps dew away and gives you clear observing for the entire night and protect your optics from dew and stray light.In clear nights, dew is often a real problem. After only a few hours, the optics start fogging, making observations or photography impossible. A good dew shield reduces the risk of fogging and extends the observing time. On the inside, dew shields from Astromania Optics are coated with felt which absorbs dew. Dew can be a problem at almost any time of the year. Especially when it's a little cooler, tiny droplets condense out from the water vapour in the air and fog-up the optics of your telescope. The Astromania dew shield keeps dew away and gives you clear observing for the entire night. Details: Suitable for tubes: diameter from 148 mm to 167 mm Material: ABS Contact surface to the telescope: foam rubber Inner liner: black felt - light and dew absorbing Height of the dew shield: 200mm Total lenght: 580mm

Features

  • Astromania flexible dew shield are constructed of black ABS plastic and are all felt lined for maximum absorbtion of moisture and baffling of stray light. Particularly strong attachment to the telescope by non-slip foam rubber at the contact area to the tube.
  • The flexible design is quite practical, as it allows you to slide the dew shield behind a cupboard or next to your eyepiece case - it is optimally space-saving!
  • The dew shield is lined on the inside with a black velvet-like fabric. This not only minimizes reflections but also ensures that no dew can reach the telescope's optics.
  • Height of the dew shield: 200mm, total lenght: 580mm. Suitable for tubes from 148 mm diameter to 167 mm diameter. A dew shield prevents your telescope optics fogging-up in the first place. It keeps the optics completely dew-free and lets you observe for hours with the optimal view.
  • Flexible Velcro fastener provides optimal adaption to the diameter of the telescope or telephoto lens. Ideal for the transport - the dew shield can be placed space-saving around the tube.Very important if you live in a place that has dew often or if you use your scope in the daytime and want to keep stray light out and the contrast high.
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Brand: Astromania   |   Manufacturer: Astromania

Item Dimensions: 0.12 x 7.1 x 17.1 inches (0.3 x 18.0 x 43.4 cm)   |   Package Dimensions: 0.98 x 5.98 x 22.99 inches (2.5 x 15.2 x 58.4 cm)

Amazon Price: $35.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $35.99

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  #5

Celestron Foamex 94014 Compatible Flexible Dew Shield for Celestron 11" Telescopes by ATOZstars

Model: CDS-11   |    Mpn: CDS-11   |    Ean: 0898188002219   |    PartNumber: CDS-11   |   Asin: B008UB2LR6

Dew Shields (dew caps) trap stagnated air in the front of the telescope. The temperature of the stagnated air is slightly higher and is enough to prevent dew from forming. Dew shields can be use as a shade to block stray light from entering the telescope or during daylight torrential viewing. Stay light lowers image contrast. ATOZstars Flexible dew shields are made of black close-cell light weight foam rubber sheeting, which is non-reflective and a good insulation material. The foam rubber sheeting forms the cylindrical shape with Velcro. The dew shield rubber sheeting is slightly elastic which allows a snug fit on the telescope tube. The dew shield can slide forward as dew shield or slide back onto the telescope tube on most telescopes to protect the telescope from accidental scratching of the telescope tube. The flexible dew shield can be store away easily by roll up tight, lay flat or stays on the telescope. Rigid dew shields are difficult to store especially large ones.

Features

  • 100% compatible with Celestron Foamex 94014 Dew Shields.
  • Flexible dew shields are made of non-reflective, flexible, light weight foam rubber sheeting.
  • dew shields will not crack or dent like rigid (metal or hard plastic) dew shields.
  • Flexible dew shields can be stored easily rolled up, lay flat or stay on the telescope.
  • Flexible dew shields work better than rigid dew shield because foam rubber insulates better.
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Brand: ATOZstars   |   Manufacturer: ATOZstars/ATOZ Business Computers

Item Dimensions: 0.25 x 32 x 12 inches (0.6 x 81.3 x 30.5 cm)   |   Package Dimensions: 5 x 5 x 15 inches (12.7 x 12.7 x 38.1 cm)

Amazon Price: $27.95 | as of 12/07/2019(2:08pm pst)
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  #6

Rigel Systems QuikFinder Compact Reflex Sight with Built-in Dew Shield, Extra Base & Battery

Model: SG_B006IJECSI_US   |    Mpn: 4351817280   |    Ean: 5596692278469   |    PartNumber: 4351817280   |   Asin: B006IJECSI

The QuikFinder Compact Reflex Sight, is perfect for binoculars & small and large telescopes. It Makes Starhopping easy with its Pulsed Reticle. The Compact QuikFinder has a black body of rugged construction, tough ABS Plastic and comes standard with 2 Quick-Release Bases, for using on more than one telescope. QuikFinder attaches without drilling and is easily removed from its baseplate for storage. The finder's display projects a variable brightness RED LED image that is dotted with a 2 degree and a 1 degree circle on the lens element. A built-in Dew Cap comes standard. The unit is powered with a 3-Volt lithium battery,(included). The finder also has an adjustable brightness display that is settable to remain constantly lit, or pulse-blink at rates as fast as several times a second, allowing easier viewing of dimmmer stars, when starhopping.

Features

  • One Tenth the size & weight of some other "reflex" sights, makes aiming your telescope easy with its wide-open right-side-up view.
  • Projects 1/2 and 2 Degree Red circles Onto the Night Sky in focus with the stars.. what you see in the red circles is what you get in your telescope
  • Pulsed or Continuous Illumination of Reticle.. at your behest. A standard feature on QuikFinder, a $20 option on other reflex sights.
  • Compact Design Lets You Use Both Eyes to see fainter than with other reflex sights.
  • Two Baseplates Lets You Use It on Two Telescopes. Easy clip-on / clip-off mounting to baseplate (no screws to fumble with).
  • See more on Amazon...

Brand: Rigel Systems   |   Manufacturer: Rigel Systems

Package Dimensions: 2.4 x 3.4 x 5.7 inches (6.1 x 8.6 x 14.5 cm)

Amazon Price: $46.95 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 1-2 business days
List Price: $46.95

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  #7

Blue Dew Cap Replacement (2Pk)

Model: 3304978   |    Mpn: 3304978   |    Ean: 4139052089056   |    PartNumber: 3304978   |   Asin: B001D1RCV0

This simple but effective item is the heart and soul of keeping your purified water contained. This 55mm Crown or snap on light Blue cap is the industry standard cap for 3 and 5 gallon water bottles. Its standard integrated cup seals both the interior and exterior neck of the bottle. Release tab on the outer edge makes removing the cap a breeze. The cap fits both glass and plastic 3 and 5 gallon bottles with a "Crown" or "snap on" top. For reference, outside dimension for the bottle opening would be 2.165 inches. If you currently have a snap cap for the bottle the outside dimension of that cap is about 2.75 inches.

Features

  • This simple but effective item is the heart and soul of keeping your purified water contained
  • This 55mm crown or snap on light blue cap is the industry standard cap for 3 and 5 gallon water bottles
  • Manufactured in United States
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Brand: Dew Cap   |   Manufacturer: Dew Cap

Item Dimensions: 0.75 x 2.31 x 2.38 inches (1.9 x 5.9 x 6.0 cm)   |   Package Dimensions: 1.5 x 3 x 4 inches (3.8 x 7.6 x 10.2 cm)

Amazon Price: $2.00 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $5.32

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  #8

Astrozap Flexi-Heat Dew Shield for 8" Edge HD with Two Notches AZ-820-N-2

Model: AZ-820-N-2   |    Mpn: AZ-820-N-2   |    PartNumber: AZ-820-N-2   |   Asin: B01AMKSSSI

Flexi-Heat Dew Shield For 8" Edge HD with Two Notches

Features

  • Fits 231mm dia. Optical tubes Two notches for upper & lower bars
  • The Astrozap Flexible Heated Dew Shield uniquely combines both active and passive methods of dew fighting with the added feature of shielding the telescope from undesirable stray light.
  • Felt-lined to help absorb moisture and to prevent extraneous light from reaching the optics and greatly improving contrast.
  • Proudly manufactured in the USA!
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Brand: AstroZap   |   Manufacturer: Astrozap

Package Dimensions: 7 x 7 x 17 inches (17.8 x 17.8 x 43.2 cm)

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  #9

Dew Removal Heater for Telescopes, Camera DSLR Lens, Telescope Eyepieces or Other Devices - Tubes Outer Diameter 125-160mm (5.0" - 6.3'')

 Ean: 0634759544579   |    PartNumber: ST90   |   Asin: B07KSZRZ16



Specification:
The Dew-Not Dew Remover is a thick film heater manufactured for operation at 12 volts. 66% of the surface area is heat emitting - this means more even heat distribution and no localized hot spots or burnouts often associated with resistance wire heaters.
Color: Mainly black, part red, yellow or green
Compatable with standard dew heater controllers.
Package Include: Dew Heater Strip

Others:
For any reason you are unhappy with any product by us, please do not hesitate to contact us. Any suggestion will be warmly welcomed.

Features

  • Compatible with standard dew heater controllers such as Kendrick and others
  • Dew heater strip for telescopes, camera DSLR lens, telescope eyepieces or other devices -keep them from fog dew freezing (tubes outer diameter 125-160mm (5.0 - 6.3''))
  • Cloth covered with foam insulation on outer side for maximum efficiency and performance
  • Dew removal heater is a thick film heater manufactured for operation at 12 volts
  • Electrical interface: DC5.5*2.1(Female).
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Brand: Southstar   |   Manufacturer: Southstar

Package Dimensions: 2.01 x 5.12 x 6.85 inches (5.1 x 13.0 x 17.4 cm)

Amazon Price: $18.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $18.99

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  #10

Astrozap Flexi-Heat Dew Shield with Notch for 8" SI/SE AZ-817

Model: AZ-817   |    Mpn: AZ-817   |    Ean: 0962392005318   |    PartNumber: AZ-817   |   Asin: B004FJGR8Q

Flexi-Heat Dew Shield with Notch for 8" SI/SE

Features

  • Fits 231mm dia. Optical tubes One notch for side bar
  • The Astrozap Flexible Heated Dew Shield uniquely combines both active and passive methods of dew fighting with the added feature of shielding the telescope from undesirable stray light.
  • Felt-lined to help absorb moisture and to prevent extraneous light from reaching the optics and greatly improving contrast.
  • Proudly manufactured in the USA!
  • See more on Amazon...

Brand: Astrozap   |   Manufacturer: Astrozap

Package Dimensions: 7 x 7 x 17 inches (17.8 x 17.8 x 43.2 cm)

Amazon Price: $74.00 | as of 12/07/2019(2:08pm pst)
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  #11

DewNot Dew Heater Strip - 6.5" Length # DN02

Model: 4332012959   |    Mpn: DN000   |    Ean: 6900000848913   |    PartNumber: DN000   |   Asin: B00YD82HEM

Proudly made in the USA by AFAB, Dew-Not Dew Removers are available in over a dozen lengths to fit almost any eyepiece, finderscope, or telescope up to 16" aperture to help keep dew at bay. Protected by over 30 USA and international patents and carrying more than 20 years of constant improvements and enhancements, the Dew-Not Dew Remover is the ultimate in reliability and efficiency. Its design ensures even heat distribution and no localized hot spots or burnouts often associated with resistance wire heaters. With Dew-Not, you get an excellent product and save power and money. Before ordering, please make sure that you carefully measure the circumference of your optical device and choose the correct length of Dew Not. Please also ensure that you have a 12V power source with an RCA/phono female plug to operate these. When running, these will feel barely warm to touch (they do not get hot).

Features

  • Made in the USA, the Dew-Not Dew Remover is a thick film dew heater manufactured for operation at 12 volts. It helps keep dew condensation from forming on the glass surface of your optical device.
  • SELECTING A DEW HEATER: To select the right dew heater for your scope, measure the circumference of your specific eyepiece/finder/telescope tube or dewshield. Or measure the tube/dewshield diameter - not telescope aperture - and multiply by 3.14. Pick one of the models based on the length specified. For in-between sizes, choose the next larger size of dew heater. Please measure and select the correct size BEFORE ordering, and please do NOT order blindly based on your telescope aperture as tubes
  • POWERING A DEW HEATER: Note that all Dew Not Dew Heaters come with a male RCA (phono plug) power jack. To power these, you need a separate 12V power supply source with a female RCA/phono plug connector. You cannot run these directly from 110/220V AC, USB, or cigarette-lighter sockets and no other power cords are included. Several companies (like Dew-Not, Thousand Oaks, Kendrick, etc.) sell dew controller units that can power and control these heater strips, or you can also look for other 12V bat
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Brand: DewNot   |   Manufacturer: DewNot

Package Dimensions: 1.2 x 5.6 x 9.4 inches (3.0 x 14.2 x 23.9 cm)

Amazon Price: $31.00 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $31.00

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  #12

Astrozap Flexi-Heat Dew Shields with Notch for 6" SE AZ-816

Model: AZ-816   |    Mpn: AZ-816   |    PartNumber: AZ-816   |   Asin: B003ZXJAEQ

Flexi-Heat Dew Shield with Notch for 6" SE Telescope

Features

  • Fits 184mm dia. Optical tubes One notch for side bar
  • The Astrozap Flexible Heated Dew Shield uniquely combines both active and passive methods of dew fighting with the added feature of shielding the telescope from undesirable stray light.
  • Felt-lined to help absorb moisture and to prevent extraneous light from reaching the optics and greatly improving contrast.
  • Proudly manufactured in the USA!
  • See more on Amazon...

Brand: Astrozap   |   Manufacturer: Astrozap

Package Dimensions: 7 x 7 x 17 inches (17.8 x 17.8 x 43.2 cm)

Amazon Price: $75.00 | as of 12/07/2019(2:08pm pst)
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  #13

Farpoint Flexible Dew Shield for Celestron Nexstar 6se, FP339

Model: FP339   |    Mpn: FP339   |    Ean: 0022099907053   |    PartNumber: FP339   |   Asin: B01BW1CP6C

Flexible dew shield for Celestron 6 se Schmidt-Cassegrain telescopes. Our flexible dew shields are made from nearly indestructible ABS plastic with Velcro closure and felt lining to keep dew from dripping. Velcro closure is sewn with reinforcing upholstery thread. Dew shields come with and without notch. Un-notched dew shields are for fork and "D" sized dovetail mounted telescopes. Notched versions are for "V" style dovetail mounted telescopes.

Features

  • Farpoint Flexible Dew Shield
  • Fits Celestron Nexstar 6se
  • Black ABS plastic construction for excellent thermal properties
  • Felt-lined, Velcro closure
  • Made in the USA by Farpoint Astro
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Brand: Farpoint   |   Manufacturer: Farpoint Astro

Package Dimensions: 6 x 6 x 10 inches (15.2 x 15.2 x 25.4 cm)

Amazon Price: $24.00 | as of 12/07/2019(2:08pm pst)
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  #14

Orion 15098 Light Shroud for SkyQuest XX14 Truss Tube Dobsonian

Model: 15098   |    Mpn: 15098   |    Ean: 0759270150983   |    PartNumber: 15098   |   Asin: B002QV86HK

Features

  • Custom-designed light shroud for the SkyQuest XX14 Truss Tube Dobsonian reflector blocks stray peripheral light to improve view contrast
  • The Light Shroud is made of opaque black, stretch nylon that fits like a glove and stays put on the truss tube reflector with elastic on both ends
  • Breathable fabric lets air pass through and doesn't sail in light breezes
  • Lessens accumulation of dust and dew on mirror surfaces while optimizing view contrast during use
  • Made in the U.S.A.
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Brand: Orion   |   Manufacturer: Orion

Package Dimensions: 1.6 x 11.5 x 13.5 inches (4.1 x 29.2 x 34.3 cm)

Amazon Price: $110.30 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $110.30

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  #15

SVBONY Dew Heater Strip DN40cm 5V for Telescopes and Camera DSLR Lens Linear Temperature Control Devices Keep Them from Fog Dew Freezing

 PartNumber: W2592   |   Asin: B07R3RM3KG

Dew heater bands are used to prevent condensation on optical surfaces in cooler weather.
The most common source of moisture is dew, however; moisture from your own eye can also condense on an eyepiece in extremely cold weather.
When is comes to dew, the best defense is a good offense. Simply maintaining the temperature of your optical surfaces above the dew point will prevent condensation from happening.
The most problematic optical surfaces, listed in order of their susceptibility are as follows:
1) Corrector Plates on Schmidt-Cassegrain Telescopes,
2) Meniscus lenses on Maksutov Cassegrain Telescopes,
3) Objective lenses on Refractors,
4) Eyepiece eye lenses in very cold weather. Thousand heater bands are wrapped around the outside of the area to be heated, such as around the metal cell of a corrector plate or objective lens.
They attach themselves using a built in Velcro elastic strip. In the case of an eyepiece, the band wraps around the eyepiece itself. Specification:
Cloth covered with foam insulation on outer side for maximum efficiency and performance
Electrical interface: USB Power Bank is required for 2A
Voltage: 5V
maximum power: Package Includes:
1 x DN40cm Dew Heater Strip

Features

  • Super fast and continuous warming with fast start up of 5 seconds to heat
  • Protects the lens of your digital camera or finder scope from freezing by chilling fog and dew,;enabling the devices to function properly at night when the temperature drops or places with bad weather
  • Based on the USB port design;it is very handy to use because you can connect it either to your power bank or any other power source with a USB port
  • DN40: the length is 40cm, for outside diameter: 13cm, lens UV size is less than 110mm
  • With adjustable diameter and easy adherence;this dew heater strip fits to most size of telescope;finder scope;digital camera;One heater strip to warm them all
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Brand: SVBONY   |   Manufacturer: SVBONY

Item Dimensions: 1.2 x 2 x 3.5 inches (3.0 x 5.1 x 8.9 cm)   |   Package Dimensions: 1.2 x 2 x 3.5 inches (3.0 x 5.1 x 8.9 cm)

Amazon Price: $21.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $21.99

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  #16

Astromania Flexible Dew Shield for Telescope Front Outer Diameter from 123mm - 142mm Diameter - Keep Dew Away and Gives You Clear observing for The Entire Night

Model: SKU_AM_FDS500   |    Mpn: SKU_AM_FDS500   |    Ean: 6970019295688   |    PartNumber: SKU_AM_FDS500   |   Asin: B01M0ZQMDY

A dew shield is an essential accessory that protects your optical tube from excess moisture forming condensation on the corrector lens. A lens shade also helps block out stray light outside the path of the telescope for better viewing and astroimaging.Astromania dew shield keeps dew away and gives you clear observing for the entire night and protect your optics from dew and stray light.In clear nights, dew is often a real problem. After only a few hours, the optics start fogging, making observations or photography impossible. A good dew shield reduces the risk of fogging and extends the observing time. On the inside, dew shields from Astromania Optics are coated with felt which absorbs dew. Dew can be a problem at almost any time of the year. Especially when it's a little cooler, tiny droplets condense out from the water vapour in the air and fog-up the optics of your telescope. The Astromania dew shield keeps dew away and gives you clear observing for the entire night. Details: Suitable for tubes: diameter from 123 mm to 142 mm Material: ABS Contact surface to the telescope: foam rubber Inner liner: black felt - light and dew absorbing Height of the dew shield: 180mm Total lenght: 500mm

Features

  • Astromania flexible dew shield are constructed of black ABS plastic and are all felt lined for maximum absorbtion of moisture and baffling of stray light. Particularly strong attachment to the telescope by non-slip foam rubber at the contact area to the tube.
  • The flexible design is quite practical, as it allows you to slide the dew shield behind a cupboard or next to your eyepiece case - it is optimally space-saving!
  • The dew shield is lined on the inside with a black velvet-like fabric. This not only minimizes reflections but also ensures that no dew can reach the telescope's optics.
  • Height of the dew shield: 180mm, total lenght: 500mm. Suitable for tubes from 123 mm diameter to 142 mm diameter.A dew shield prevents your telescope optics fogging-up in the first place. It keeps the optics completely dew-free and lets you observe for hours with the optimal view.
  • Flexible Velcro fastener provides optimal adaption to the diameter of the telescope or telephoto lens. Ideal for the transport - the dew shield can be placed space-saving around the tube.Very important if you live in a place that has dew often or if you use your scope in the daytime and want to keep stray light out and the contrast high.
  • See more on Amazon...

Brand: Astromania   |   Manufacturer: Astromania

Item Dimensions: 0.12 x 7.1 x 17.1 inches (0.3 x 18.0 x 43.4 cm)   |   Package Dimensions: 0.31 x 6.89 x 19.02 inches (0.8 x 17.5 x 48.3 cm)

Amazon Price: $35.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $35.99

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  #17

SVBONY Dew Heater Strip DN30cm 5V for Telescopes and Camera DSLR Lens Linear Temperature Control Devices Keep Them from Fog Dew Freezing

 PartNumber: FW2592B   |   Asin: B07QYYYPCM

It prevents condensation by warming up the lens on a camera or telescope. This is a high-output model suitable for cold and highly humid environment.
It has been tested for its effectiveness against condensation outdoors in winter time, when the temperature drops below 32 F.
Proven effectiveness against condensation, outside in a field, at a temperature of 5 F. *Operating time is merely listed as reference. It varies with the external temperature and the specifications of your portable battery. A portable battery is required to operate this product (a portable battery with greater than 10,000 mAh capacity is recommended).
Portable battery is not included in this product. It must be purchased separately. Specification:
Electrical interface: USB Power Bank is required for 2A
Voltage: 5V
maximum power: Package Includes:
1 x DN30cm Dew Heater Strip

Features

  • It prevents condensation by warming up the lens on a camera or telescope.
  • Proven effectiveness against condensation;outside in a field;at a temperature of 5 F
  • DN30: the length is 30cm, for outside diameter: 10cm, lens UV size is less than 72mm
  • Dew heater strap is an essential accessory that protects your optical tube from excess moisture forming condensation on the corrector lens
  • Cloth covered with foam insulation on outer side for maximum efficiency and performance
  • See more on Amazon...

Brand: SVBONY   |   Manufacturer: SVBONY

Item Dimensions: 1.2 x 2 x 3.5 inches (3.0 x 5.1 x 8.9 cm)   |   Package Dimensions: 2.24 x 3.58 x 6.5 inches (5.7 x 9.1 x 16.5 cm)

Amazon Price: $19.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 24 hours
List Price: $19.99

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  #18

Meade Instruments 608025 Dew Shield 8 ACF

Model: 608025   |    Mpn: 608025   |    Ean: 0709942100075   |    PartNumber: 608025   |   Asin: B0812J7X68

Protect your Meade Schmidt-Cassegrain or ACF corrector plate from dew and from unwanted sources of liight outside the telescope. Available in a variety of sizes, Meade's Flexible Dew Shield is padded to protect your telescope's finish while providing high-quality optics protection. A great companion for star parties and night time viewing, this essential accessory also helps keep the front corrector plate dry on cold and humid nights. These Flexible Dew Shields are black flocked on the inside surface, improving contrast by decreasing internal reflections.

Features

  • Compatible with 8" Schmidt-Newtonian, Schmidt-Cassegrain, and ACT Telescopes
  • Helps prevemt dew from forming on glass
  • Shields unwanted peripheral light
  • See more on Amazon...

Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 4 x 38.98 x 15 inches (10.2 x 99.0 x 38.1 cm)   |   Package Dimensions: 4 x 8 x 18 inches (10.2 x 20.3 x 45.7 cm)

First Available: 2019-10-29

Warranty: Manufacturer's warranty can be requested from customer service

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  #19

Meade Instruments 608026 Dew Shield 10 ACF

Model: 608026   |    Mpn: 608026   |    Ean: 0709942100082   |    PartNumber: 608026   |   Asin: B0812J6RWL

Protect your Meade Schmidt-Cassegrain or ACF corrector plate from dew and from unwanted sources of liight outside the telescope. Available in a variety of sizes, Meade's Flexible Dew Shield is padded to protect your telescope's finish while providing high-quality optics protection. A great companion for star parties and night time viewing, this essential accessory also helps keep the front corrector plate dry on cold and humid nights. These Flexible Dew Shields are black flocked on the inside surface, improving contrast by decreasing internal reflections.

Features

  • Compatible with 10" Schmidt-Newtonian, Schmidt-Cassegrain, and ACT Telescopes
  • Helps prevemt dew from forming on glass
  • Shields unwanted peripheral light
  • See more on Amazon...

Brand: Meade Instruments   |   Manufacturer: Meade

Item Dimensions: 4 x 38.98 x 15 inches (10.2 x 99.0 x 38.1 cm)   |   Package Dimensions: 1.38 x 4.49 x 18.62 inches (3.5 x 11.4 x 47.3 cm)

First Available: 2019-10-29

Amazon Price: $49.99 | as of 12/07/2019(2:08pm pst)
Availibility: Usually ships in 2 to 3 days
List Price: $49.99

Warranty: Manufacturer's warranty can be requested from customer service

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