Astromania 2 Inch SCT Diagonal 90-Degree Mirror Fully Metal with 93% Reflectivity Across Visible Spectrum - Suitable for Most Telescopes, including Refractor and Schmidt-Cassegrain telescopes

•  93% Reflectivity & A 1/10 Wave Mirror & Dielectric Coatings
93% Reflectivity & A 1/10 Wave Mirror
The 2" SCT diagonal features dielectric coatings with 93% reflectivity across the visible spectrum and a 1/10 wave mirror for bright and true images.

•  Dielectric Coatings
The 2" SCT diagonal features dielectric, 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.
 

Main Features:

•  High optical lens transparency
•  A standard SCT female thread (2", 24 TPI)
•  Standard 2 " diameter fits for 2" eyepiece and telescope
•  The all diagonal body is metal
 

What Is in Package

1

1x Dielectric mirror diagonal

2

1x SCT adapter

3

1x Dust proof cover

4

1x Dust proof plug

2''SCT 90-degree mirror diagonal with 93% reflectivity across visible spectrum

2" 45-degree high-quality erecting prism diagonal for telescope

2'' 90-degree mirror diagonal with 93% reflectivity across visible spectrum

1.25" 45-degree diagonal prism optical prism inside rather than a mirror

2'' 90-degree diagonal 99% 

Connection (to the telescope)

2''

2''

2''

1.25''

2''

Viewing posture

90°

45°

90°

45°

90°

Coating of optical system

Dielectric

Fully-multi-coated

Dielectric

Fully

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

Diagonal mirror

Amici prism

Diagonal mirror

Amici prism

Diagonal mirror

Type

Deviating optics

Deviating optics

Deviating optics

Deviating optics

Deviating optics

Other contents

SCT Adapter

2" to 1.25" Eyepiece Adapter

-

-

Extension tube