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Home > Diagonal Mirror > 2" > Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
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  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal

Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal

SKU: SKU_AM_DM29099
5.0 (11 Reviews)
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  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror - provide a much brighter image than with an ordinary star diagonal
  • Description
  • Specification


Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror uses multi-layered dielectric coatings in order to guarantee a maximum reflection of 99% with the highest contrast and optimal sharpness.The residual stress in the plane mirror which can occur with the dielectric vapour deposition process is ruled out here. This slip fit 2-inch diagonal with 1.25-inch adapter, plus the Schmidt Cassegrain thread to 2-inch accessory adapter and other Schmidt Cassegrain rear thread screw-on systems, is compatible with both slip-fit and screw-on mounting systems. The optics are made with Pyrex glass and comes with dielectric coatings for the most light transmission possible.  Beside eyepieces, a star diagonal is one of the most important accessories. What is the use of a good objective or the best eyepiece if the star diagonal is inferior? We recommend the Astromania 2" 90-degree 99% Enhanced Dielectric Diagonal Mirror to everyone, including those working with high end instruments. The star diagonal permits full illumination of 2” wide field eyepieces. 
 

 

Adapter 2"-1.25" with Brass Clamp Ring for Telescope
 

•  Both 1.25-inch and 2-inch eyepieces can be used to better meet customer needs.
•  This slip fit 2-inch diagonal with 1.25-inch adapter, plus the Schmidt Cassegrain thread to 2-inch accessory adapter and other Schmidt Cassegrain rear thread screw-on systems, is compatible with both slip-fit and screw-on mounting systems.



•  Multi-layered Dielectric Coatings & 99%Reflectivity
Multi-layered dielectric coatings that order to guarantee a maximum reflection of 99% with the highest contrast and optimal sharpness for brighter, sharper images. Comes with dielectric coatings for the most light transmission possible. The residual stress in the plane mirror which can occur with the dielectric vapour deposition process is ruled out here.


•  90° Comfortable Angle
View the object at 90 degrees from the direction the telescope is pointing. This makes observations quite comfortable when the telescope is at or near the zeni-th.
 

 

 

A Brass Clamping Ring
Improved attachment design features a brass clamping ring which does not mar, and provides a more secure connection. 2" - 1.25" reducing sleeve with brass compression ring, non-marring compression safety secures the eyepieces.

 

Thread for Eliminate Light
Effectively reduce stray light interference, not only improve the brightness of the image, but also effectively reduce the dark edges formed, the edge details of the image are clearer.

 

Metal Construction
The all body is metal, make the product more durable. A superb diagonal offering excellent mechanical and optical quality.
 
 

      

Astromania 2" 45-degree erecting prism diagonal for telescope

 Astromania 1.25" 45-degree diagonal prism optical prism inside

Astromania 2" 90-degree mirror diagonal with 93% reflectivity 

Astromania 2" 90-degree diagonal 99% 

Astromania 2" SCT 90-degree mirror diagonal with 93% reflectivity

 

Connection (to the telescope) 

2''

1.25'

 2' 

2''

2''

Viewing posture 

45°

45°

90°

90°

90°

Coating of optical system 

Fully-multi-coated

Fully

Dielectric

Dielectric

Dielectric

Correction of vertically revers-ed image 

Yes

Yes

-

Yes

-

Correction of horizontally revers-ed image

Yes

Yes

-

-

-

Ring clamp

Yes

-

Yes

Yes

Yes

Filter thread

Yes

Yes

Yes

Yes

Yes

Type of build

Amici prism

Amici prism

 Diagonal mirror

 Diagonal mirror

 Diagonal mirror

Type

Deviating optics

Deviating optics

Deviating optics

Deviating optics

Deviating optics

Other contents

2" to 1.25" Eyepiece Adapter

-

-

Extension tube

SCT Adapter

 
  • 2" Diagonal Mirror with 99% reflection, optics are made with Pyrex glass.
  • Multi-layered dielectric coatings that produce 99-percent reflectivity for brighter, sharper images.
  • Comes with dielectric coatings for the most light transmission possible.
  • Suitable for refractors, Schmidt-Cassegrains, ACF, EdgeHD and Maksutov-Cassegrains.
  • 2" - 1.25" reducing sleeve with brass compression ring, non-marring compression safety secures the eyepieces.
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