Reviews Diagonal Mirror For Telescope

SVBONY 2 inches 90 Deg Dielectric Mirror Diagonal for Astronomical Telescope with 1.25 inches Adapter

  • Mirror Star Diagonal - 99% Reflectivity；Provides a Comfortable 90 Degree View from your Refractor.
  • New 2" 90 deg 99% Dielectric Mirror Diagonal for Telescope With 1.25" adapter.
  • has a 1/10th wave flat optical glass surface.
  • Both sizes of eyepieces may be used and are protected from dings and scratches that would result from a standard set-screw. This 2" diagonal works....
  • Dielectric diagonal is especially important.
  • A standard aluminized diagonal has about 92% reflectance.
  • And this decreases with time as the aluminum....
  • For the vast majority of the visible spectrum.
  • the reflectance does not vary more than about 0.1% below 100%.
  • And the dielectric surface does not age....
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Orion Observer 80ST 80mm Equatorial Refractor Telescope Kit

  • Telescope Kit includes extra value-packed accessories for a fun stargazing experience.
  • An ideal refractor telescope package for the observer on-the-go, the compact Observer 80ST packs a lot of performance into a petite telescope design.
  • The included EQ-1B equatorial mount and adjustable-height tripod allows smooth slow-motion movement to easily track objects in the sky.
  • Includes two 1.25" telescope eyepieces, red-dot aiming sight, smooth rack and pinion focuser, 90-degree mirror diagonal for comfortable viewing, and more!.
  • Value-packed telescope kit also includes a 2x Shorty Barlow, MoonMap 260, Orion Telescope Observer's Guide book, Star Target Planisphere, and RedBeam Mini LED keychain flashlight.
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Orion 8727 2-Inch Dielectric Mirror Star Diagonal

  • 90 degrees 2" mirror diagonal features sophisticated, lab-tested dielectric coatings that provide an astounding 99% reflectivity.
  • Dielectric mirror coatings are more durable than enhanced aluminum coatings and provide higher reflectivity for maximum view brightness.
  • Machined and anodized aluminum housing features machine-threaded glare baffles for high contrast.
  • Nosepiece barrel is threaded to accept 2" Orion filters, a 2"-1.25" step-down adapter is included.
  • The diagonal is a great way to make nighttime viewing orientations through a refractor telescope more comfortable.
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SVBONY SV138 Diagonal Mirror 1.25 inch 45 degree Correct Image Prism Diagonal Mirror Fully Metal for Refractor Astronomy Telescope with Dust Cover

  • SV138 Diagonal Mirror fits for 1.25inch telescope eyepiece and focuser.
  • Correct upside down and left-right reversed image easily.
  • Even if you want to observe wildlife or other scenery during the day.
  • SV138 diagonal mirror can also easily provide you with the right image.
  • aluminum alloy housing and stainless steel cover.
  • Extend SV138 diagonal mirror’ life and make it more durable without worrying about damage during use.
  • Provides a uniform pressure-receiving area when holding the eyepiece.
  • it does not damage your expensive eyepieces.
  • The SV138 45-deg correct-image diagonal requires 5/8" more focus travel than typical diagonals.
  • Not recommended for use in Newtonian reflector or Dobsonian reflector telescopes.
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Celestron 2-Inch XLT Diagonal Mirror (for SCT Telescope) & 18778 AC Adapter (Black)

  • Product 1: 2” SCT mirror diagonal with high performance XLT coatings.
  • Product 1: 1/10th wave mirror is tested with an interferometer to ensure quality.
  • Product 1: Housing is precision machined to achieve and hold good optical alignment..
  • Product 1: Includes a 2” to 1.25” adapter and aluminum carry case.
  • Product 2: Power your Celestron computerized telescope from any AC wall outlet.
  • Product 2: Suitable for indoor or outdoor outlets.
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Star Diagonal Telescope Diagonals 1.25 inch, 90 Degree Mirror Diagonal Erecting Image Prism Optic Telescope Accessory with Dust Cover

  • 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.
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Alstar 1.25\ 45-Degree Diagonal Prism Optical Prism Inside Rather Than a Mirror which Makes Your Image Clear and Sharp

  • High quality optical Prism inside rather than a mirror which makes your image clear and sharp..
  • 1.25" 45-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..
  • This is a great diagonal for daytime terrestrial use and night time astronomy applications for telescopes or spotting scopes..
  • Protective coating on the mirror to ensure a long life, metal barrel - for secure seating in the focuser..
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kesoto 0.965 Inch 90 Degree Correct-Image Star Telescope Diagonal/Telescope Erecting Prism with Caps

  • Compatible with 0.965 inch telescope eyepieces..
  • Use the 90 degree diagonal mirror with a refractor telescope, the image is upright, with left and right reversed..
  • With wide 90 degree angle , it is comfortable for you to view image from refractor telescope stand..
  • The fully coated lens are provided with caps to keep your lens clean and clear..
  • High-quality ensures high light transmission and provides high defination images..
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Prettyia 0.965 Inch/90 Degree Erecting Image Diagonal Mirror for Refractor Telescopes and Astronomical Telescope Eyepieces

  • . With wide 90 degree angle , it is comfortable for you to view image from refractor telescope stand..
  • . High-quality ensures high light transmission and provides high defination images..
  • . Use the 90 degree diagonal mirror with a refractor telescope, the image is upright, with left and right reversed..
  • . Compatible with 0.965 inch telescope eyepieces..
  • . The fully coated lens are provided with caps to keep your lens clean and clear..
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Orion 52055 Pentaprism 1.25-inch Telescope Diagonal Mirror, Black

  • The Orion pentaprism diagonal is ideal for use with the Orion Premium linear binoviewer because the combination renders an upright non-mirror-reversed image.
  • The pentaprism diagonal incorporates a pentagonal-shaped prism of BK-7 glass that is multi-coated and dielectric coated for maximum Light Transmission.
  • It features a 1 25" Non-marring compression ring Collar and a tapered barrel for secure attachment to a telescope.
  • With a generous clear Aperture of 29mm The pentaprism diagonal will not cause image igniting even when used with long focal length wide-field eyepieces.
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Almencla 0.965 Inch 90 Degree Enhanced Dielectric Diagonal Mirror/Erecting Image Diagonal Prism Fit for Astronomical Telescope

  • High-quality prism ensures high light transmission and provides high defination images..
  • The fully coated lens are provided with caps to keep your lens clean and clear..
  • With wide 90 degree angle , it is comfortable for you to view image from refractor telescope stand..
  • Use the 90 degree diagonal mirror with a refractor telescope, the image is upright, with left and right reversed..
  • Compatible with 0.965 inch telescope eyepieces..
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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.
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Orion 8879 1.25-Inch Enhanced Mirror Star Telescope Diagonal

  • The precision flat mirror in this 90 degrees diagonal is meticulously polished to yield excellent performance.
  • Anodized aluminum housings are internally blackened for high contrast views free of glare.
  • Fits 1.25" telescope focusers, accepts 1.25" eyepieces.
  • Enhanced Aluminum mirror coatings yield 97% reflectivity for bright clear views.
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