Binoculars & Telescopes › Mirror

You can see image upside down but left-right correct with 90 degree while upri... You can see image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert erecting lens into 1.25 focuser and enjoy nature far away: see birds deer at edge of forest summit cross on a mountain or a cruise... more

Astronomical Telescope Eyepiece 45 / 90 Degree Lens 1.25IN Zenith Mirror for R... Astronomical Telescope Eyepiece 45 / 90 Degree Lens 1.25IN Zenith Mirror for Refractor Cassegrain Telescope You can see the image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert the erecting lens... more

NEW 203mm Primary and Secondary Telescope Mirror set. Spherical Primary mirror... NEW 203mm Primary and Secondary Telescope Mirror set. Spherical Primary mirror with Mirror Diameter of 203mm and Focal Length of 750mm Focal ratio: 750/203 = 3.69 Mirror substrate: Float Glass Reflectivity=86% Optical quality: Diffraction imaging limit... more

Explore Scientific 2in 99percent Reflectivity Diagonal Mirror DD02-00CF. The E... Explore Scientific 2in 99percent Reflectivity Diagonal Mirror DD02-00CF. The Explore Scientific 2" Reflectivity Diagonal Mirror has a solid construction and is light weight. Just insert or withdraw the Explore Scientific 2in Reflectivity Diagonal... more

Free Express Shipping! Tele Vue 90-Degree Everbrite Mirror Diagonal (1.25") Up... Free Express Shipping! Tele Vue 90-Degree Everbrite Mirror Diagonal (1.25") Upright, Laterally-Reversed Images more

Free Express Shipping! Alpine Astronomical Baader ClickLock Mirror Star Diagon... Free Express Shipping! Alpine Astronomical Baader ClickLock Mirror Star Diagonal (2") 2" Nosepiece & ClickLock Eyepiece Clamp, Dielectric-Coated Mirror, 99% Reflective Surface Mirror, Thermally Stable - Resists Heat, UV/IR Radiation Rejection,... more

Free Express Shipping! Celestron 90-Degree Mirror Diagonal (2") for SCT Scopes... Free Express Shipping! Celestron 90-Degree Mirror Diagonal (2") for SCT Scopes Upright, Laterally-Reversed Images, Fits Catadioptric 2"-18 Rear Threads, Starbright XLT Coatings more

Explore Scientific 2in 99percent Reflectivity Diagonal Mirror DD02-00CF. The E... Explore Scientific 2in 99percent Reflectivity Diagonal Mirror DD02-00CF. The Explore Scientific 2" Reflectivity Diagonal Mirror has a solid construction and is light weight. Just insert or withdraw the Explore Scientific 2in Reflectivity Diagonal... more

You can see the image upside down but left-right correct with 90 degree while ... You can see the image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert the erecting lens into 1.25 focuser and enjoy the nature far away: see the birds deer at the edge of the forest the summit... more

You can see image upside down but left-right correct with 90 degree while upri... You can see image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert erecting lens into 1.25 focuser and enjoy nature far away: see birds deer at edge of forest summit cross on a mountain or a cruise... more

You can see the image upside down but left-right correct with 90 degree while ... You can see the image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert the erecting lens into 1.25 focuser and enjoy the nature far away: see the birds deer at the edge of the forest the summit... more

Description: High-quality ensures high light transmission and provides high im... Description: High-quality ensures high light transmission and provides high images. The fully coated lens are provided with a dust cover to keep your and clear. With wide 90 degree angle it is comfortable for you to view image from refractor telescope... more

Description: High-quality ensures high light transmission and provides high im... Description: High-quality ensures high light transmission and provides high images. The fully coated lens are provided with cover to keep your and With wide 90 degree angle it is comfortable for you to view image from refractor Use the 90 degree... more

Description: Easily correct down and left-right reversed image: Allow things d... Description: Easily correct down and left-right reversed image: Allow things during daytime in correct position. Standard 1.25 diameter: Fit for 1.25 eyepiece and focuser. Designed for: Work with refractor and catadioptric s not for reflector . Wide... more

Description With this diagonal you can match the orientation of the star field... Description With this diagonal you can match the orientation of the star field with correct star maps and charts. It produces an that is oriented properly which means that the is upright but reversed from left to right. This is a great diagonal for... more

This Cassini 160mm Spherical Primary Mirror is handcrafted and is tested for h... This Cassini 160mm Spherical Primary Mirror is handcrafted and is tested for high reflectivity. It measures 160 nmm round and is made of glass. Features: Glass 160mm round Aluminized power Hand crafted Tested for high reflectivity .5 in. H x 160 mm W x... more

You can see the image upside down but left-right correct with 90 degree erecti... You can see the image upside down but left-right correct with 90 degree erecting prism while upright with 45 degree prism. Just simply insert the erecting prism into 1.25 focuser and enjoy the nature far away: see the birds deer at the edge of the... more

Description: Easily correct down and left-right reversed image: Allow things d... Description: Easily correct down and left-right reversed image: Allow things during daytime in correct position. Standard 1.25 diameter: Fit for 1.25 eyepiece and focuser. Designed for : Work with refractor and catadioptric s not for reflector . Wide... more

You can see image upside down but left-right correct with 90 degree while upri... You can see image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert erecting lens into 1.25 focuser and enjoy nature far away: see birds deer at edge of forest summit cross on a mountain or a cruise... more

You can see image upside down but left-right correct with 90 degree while upri... You can see image upside down but left-right correct with 90 degree while upright with 45 degree lens. Just simply insert erecting lens into 1.25 focuser and enjoy nature far away: see birds deer at edge of forest summit cross on a mountain or a cruise... more