1pc Short-Axis Secondary Mirror for DIY Reflecting Astronomical Telescopes - 20/25/35/40/70mm Options(45mm)

Description

• Versatile short-axis secondary mirrors available in sizes 20mm, 25mm, 35mm, 40mm, and 70mm for custom DIY Newtonian telescopes.
• Aluminum coated surface with protective film ensures durability and optimal light reflection for enhanced astronomical viewing.
• Compatible with various aperture reflector main mirrors, including 76mm, 114mm, and 203mm, making it ideal for telescope enthusiasts.
• Perfect for both beginners and experienced astronomers looking to upgrade their telescope's performance with precise optics.
• Easy to install and customize, allowing for a tailored astronomical experience based on individual preferences and requirements.

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.
1 Pcs/Package

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