Best Refractor Keratometer

SVBONY 1.25 inches 90 Degree Zenith Diagonal Mirror for Refractor and Cassegrain Telescopes Astronomical Telescope

work with refractor and catadioptric telescopes.
keep your lens clean for superior image fidelity.
you can view correct image from refractor telescope stand and just look down with a comfortable angle .
1.25" 90 degree diagonal mirror using with refrator telescope and makes the image upright.

Standard 1.25in diameter fits for 1.25in eyepiece and telescope focuser..
Designed for refractor and catadioptric telescopes, and not for reflector telescope..
Wide 90 degree angle allows you to view correct image from refractor telescope stand and just look down with a comfortable angle..
Easy to install and use. Just insert into 1.25in telescope at the silver end,the other end fix 1.25in eyepiece by the screw..
The body is constructed of high quality materials, sturdy and not easy to damage..

Family-friendly 90mm refractor on single-arm altazimuth mount excels for effortless long-distance viewing.
90mm (3.5") aperture and 600mm focal length telescope (f/6.7) excels for views of lunar landscape, planets, and bright deep-sky objects.
Correct-image diagonal Yields non-reversed image, ideal for daytime terrestrial or nighttime celestial observation.
Includes fully coated high- and low-power plossl eyepieces - superior to cheaper eyepieces included with many competing 90mm refractor - and a red dot....
Also comes with Orion's exclusive moon map 260, your detailed guide to 260 named craters, mountain, rills, seas, and other features on the lunar....

The 2" Variable Universal Camera Adapter is made of black-anodized aluminum..
In addition, the adapter works well for refractor telescopes when in use for either prime-focus or telescope eyepiece-projection photography..
This easy to use 2" Variable Universal Camera Adapter is designed to attach both camera body and reflector together..
Dual design allows the user to make slight magnification adjustments without having to change telescope eyepieces..
Compatible for both reflector and refractor telescopes with 2" eyepiece holders..

fit for 1.25'' eyepiece and telescope focuser.
Work with refractor and catadioptric telescopes.
you can view correct image from refractor telescope stand and just look down with a comfortable angle.
just insert into 1.25'' telescope at the silver end.
the other end fix 1.25'' eyepiece by the screw.
optical glass lens provide clear and sharp image With dust cover always keep your lens clear prolong life.

Standard 1.25 inch diameter, right fit for focuser , work with refractor and catadioptric telescopes.
The lens come with lens cover, keep your lens clean for superior image fidelity.
Wide 90 degree angle, you can view correct image from refractor telescope stand and just look down with a comfortable angle.
1.25inch 90 degree diagonal mirror using with refrator telescope and makes the image upright though left and right reversed, does not affect astronomical observation.
This star diagonal with special anti-slip rubber protoction design can prevent from scratches.

CELESTRON’S LEGENDARY OMNI XLT REFRACTOR OPTICAL TUBE: Celestron technicians hand select the glass for each lens in your Omni XLT refractor so only the finest grade optical glass is used..
STARBRIGHT XLT OPTICAL COATINGS: Every air-to-glass surface in the Omni XLT’s optical path is fully multi-coated with our proprietary StarBright XLT anti-reflective coatings for the maximum level of light transmission to the eye..
ULTRA-PRECISE GERMAN EQUATORIAL MOUNT: Celestron CG-4 manual EQ mount with setting circles, worm gear slow-motion controls and ball bearings on both axes..
ACCESSORIES INCLUDED: Everything you need to begin observing immediately—6x30 optical finderscope, sturdy full-height steel tripod with 1.75” legs, 1.25” star diagonal, and a 25mm multicoated eyepiece..
BONUS ASTRONOMY SOFTWARE: Learn more about the night sky with your FREE download of Starry Night, one of the top consumer rated astronomy software programs with a database of more than 36,000 celestial objects and printable sky maps..

This diagonal can correct upside down and left-right reversed image easily, which allows you view things during daytime in correct position..
Fits for 1.25inch telescope eyepiece and focuser. Work with Refractor and catadioptric telescopes. Plastic body with optical glass lens, providing clear and sharp image..
Wide 45 degree angle makes you view correct image from refractor telescope stand and just look down with a comfortable angle..
Comes with dust cover to keep your lens clear, easy to install and use..
Any question,please feel free to contact us ,we will reply to you soon..

1.25" 90-degree mirror star diagonal for any telescope with 1.25" connector (not suitable for Newtonians)..
More comfortable viewing orientation as you observe from above, filter thread for any 1.25" filter. Accepts standard 1.25" eyepieces..
Protective coating on the mirror to ensure a long life, metal barrel - for secure seating in the focuser..
Useful for refractor and Cassegrain telescopes - not recommended for reflectors..
Wide 90 degree angle: You can view correct image from refractor telescope stand and just look down with a comfortable angle..