Astromania Bahtinov Mask Focusing Mask for Telescopes - FM80mm for a Tube Outer Diameter (OD) from 85mm-120mm - Bundle with - 1.25-Inch 6mm 12.5mm 20mm Plossl Telescope Eyepiece Set
Asin: B0D4QJ5WJD
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.Fold-Down Rubber Eyeguard Threaded For Standard 1.25- Inch Astronomy Filters. Comes With Sturdy Plastic Dust Caps-Protect The Eyepiece From Dust And Moisture..
The Masks Grip The Telescope Tube Gently But Firmly With Three Metal Posts Which Have Non-Scratching Silicon Sleeves To Protect You Valued Telescope Surface. This Prevents Slippage, Whilst Allowing The Mask To Remaining Perfectly Central. Because Of This 3-Post Mounting, The Mask Remains Centered, Whilst Fitting A Wider Range Of Telescopes..
Suitable For Use On All Types Of Telescope - Reflectors, Rafractors, Dobsonians, Mak-Cas And Scts. They Are Made From Precision Laser Cut Enforced Plexiglass, Which Is Stiff And Long Lasting. They Will Never Be Brittle In The Cold, Unlike Some Other Masks Which Are Made From Normal Plastics..
4-Element Plossl Design, Has A Approx 52 Degree Afov. Perfect For Broad-Field Lunar Observations, Medium-Sized Star Clusters, And A Wide Range Of Cloudy Nebulas And Deep-Sky Targets..
Features
- 1.25-Inch plossl eyepiece set (6mm 12.5mm 20mm), gives the widest viewing field along with extra sharpness and long eye relief.
- 4-element plossl design, has a approx 52 degree AFOV. Perfect for broad-field lunar observations, medium-sized star clusters, and a wide range of cloudy nebulas and deep-sky targets.
- Fold-down rubber eyeguard Threaded for standard 1.25- inch astronomy filters. Comes with sturdy plastic dust caps-protect the eyepiece from dust and moisture.
- Suitable for use on all types of telescope - reflectors, rafractors, Dobsonians, Mak-Cas and SCTs. They are made from precision laser cut enforced plexiglass, which is stiff and long lasting. They will never be brittle in the cold, unlike some other masks which are made from normal plastics.
- The masks grip the telescope tube gently but firmly with three metal posts which have non-scratching silicon sleeves to protect you valued telescope surface. This prevents slippage, whilst allowing the mask to remaining perfectly central. Because of this 3-post mounting, the mask remains centered, whilst fitting a wider range of telescopes.
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Brand: Astromania
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