Binoculars & Telescopes › Telescope › 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

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 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

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

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

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

This 100mm x 70mm Telescope Secondary Mirror has a MAJOR Axis of 100mm and MIN... This 100mm x 70mm Telescope Secondary Mirror has a MAJOR Axis of 100mm and MINOR Axis of 70mm.Secondary Mirror: Glass 100mm x 70mmMAJOR Axis of 100mm.MINOR Axis of 70mm.Mirrors Aluminized: 89% SiO2 surface aluminized. 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. Justsimply 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

1.Easily correct upside down and left-right reversed image: Allow you view thi... 1.Easily correct upside down and left-right reversed image: Allow you view things during daytime in correct position 2.Standard 1.25 inch diameter: Fit for 1.25 inch eyepiece and telescope focuser 3.Designed for: Work with Refractor and catadioptric... 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. Justsimply 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 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

Feature: Work well with refractor Cassegrain and catadioptric telescope but no... Feature: Work well with refractor Cassegrain and catadioptric telescope but not recommended for reflector telescope. Angle: 45° / 90° (optional) Size: 1.25inch Package weight: 92-106g / 3.2-3.7oz Package list: more

Description: Easily correct down and left-right reversed image: Allow you view... Description: Easily correct down and left-right reversed image: Allow you view things during daytime in correct position. Standard 1.25 diameter: Fit for 1.25 eyepiece and telescope focuser. Designed for : Work with refractor and catadioptric... more

Colour: black Material: plastic Package Contents: 1 * Telescope Diagonal Adapt... Colour: black Material: plastic Package Contents: 1 * Telescope Diagonal Adapter Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from... more