Reviews Diagonal Mirror For Telescope

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.

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.

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.

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.

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..

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..

. 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..

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.

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..

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.