20/25/28/30/35/40/42/45/ 50/54/60/70/80/90mm Astronomical Telescope Secondary Mirror
20/25/28/30/35/40/42/45/50/54/60/70/80/90mm DIY Newtonian Reflective Astronomical Telescope Secondary Mirror Elliptical Short Axis Specifications: Newtonian Telescope Secondary Mirror Type: Elliptical Plane Mirror Auxiliary Mirror Size Available: 20/25/28/30/35/40/42/45/50/54/60/70mm for choosing Tolerance: ±0.5 Surface Accuracy PV: 1/4-1/6λ Coating: Aluminum Reflection + Protective Film Short axis: refers to the length of the short side diameter, the surface is coated with aluminum film and protective film.
Application notes from the listing
20mm short axis secondary mirror, short side length 20mm, aluminum coated surface and protective film, suitable for use with 76mm aperture reflector main mirror. 25mm short axis secondary mirror, short side length 25mm, surface aluminized film and protective film, suitable for use with 114mm aperture mirror main mirror.
35mm short-axis secondary mirror, short side length 35mm, surface aluminized film and protective film, suitable for 127mm,133mm,135mm, 150mm, aperture reflection main mirror. 40mm short axis secondary mirror, short side length 40mm, surface aluminized film and protective film, suitable for 127mm,133mm,135mm, 150mm, aperture reflector main mirror.
70mm short-axis secondary mirror, short side length 70mm, aluminum coated surface and protective film, suitable for use with 203mm aperture reflector main mirror. Package: 1pcs Short Axis Secondary Mirror
What should I send with a quote request?
The model name (20/25/28/30/35/40/42/45/ 50/54/60/70/80/90mm Astronomical Telescope Secondary Mirror), binocular or trinocular preference, whether a camera is required, destination country, and any thread already on the stand.
Are extra specifications available?
Only values printed on the original AMADA listing are shown here. Missing numbers are TBC.
How do I order accessories for this model?
Open the matching accessory family and quote both product names in one email.
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