JINGERL Astronomical Telescope Auxiliary Mirror 20/25/35/40/70mm Reflecting Telescope Mirror Inclined Mirror Mirror (Color : 25mm)

20mm minor axis secondary mirror, 20mm short side length, surface aluminized film and protective film, suitable for use with 76mm caliber reflective primary mirror. The 25mm minor axis sub-mirror, the short side length is 25mm, the surface is coated with aluminized film and protective film, suitable for use with the 114mm caliber reflective primary mirror. 35mm minor axis secondary mirror, short side length 35mm, surface aluminized film and protective film, suitable for use with 127mm, 133mm, 135mm, 150mm, aperture reflective primary mirror. 40mm minor axis secondary mirror, 40mm short side length, surface aluminized film and protective film, suitable for use with 127mm, 133mm, 135mm, 150mm, aperture reflective primary mirror. 70mm minor axis sub-mirror, short side length 70mm, surface aluminized film and protective film, suitable for use with 203mm aperture reflector primary mirror.