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Primary and Secondary Mirror Sets for
Your DIY Projects
Guan Sheng Optical (GSO)
Manufacturer's Specs
Parabolic mirror with matching secondary
Diffraction limited
BK7 glass
1/16 wave RMS minimum, typically better
Aluminum reflective coating
Protective coating (SiO2)
Reflectivity approximately 93%
All mirrors include a center spot
| GSO
Mirror Specifications |
Part
Number |
MIRSET1645 |
MIRSET1250 |
MIRSET1050 |
MIRSET0860 |
Nominal
Aperture |
16" |
12" |
10' |
8" |
Actual
Aperture |
15.98" / 406mm |
11.97" / 304mm |
9.84" / 250mm |
7.87" / 200mm |
Focal
Length |
1800mm |
1500mm |
1250mm |
1200mm |
Focal
Ratio |
f/4.5 |
f/5 |
f/5 |
f/6 |
Thickness
of Primary |
45mm |
35mm |
35mm |
25mm |
Weight of
Primary |
28.9 lbs |
14.3 lbs |
9.2 lbs |
3.9 lbs |
Secondary
Aperture |
88mm |
70mm |
62mm |
50mm |
Weight of
Secondary |
14.8 oz |
5.6 oz |
4.4 oz |
2.4 oz |
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Primary Parabolic Mirrors |
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Secondary Flat Mirrors |
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