1pc Short-Axis Secondary Mirror for DIY Reflecting Astronomical Telescopes - 20/25/35/40/70mm Options Available(120mm)

Description

• Versatile short-axis secondary mirror devised for DIY Newtonian reflecting telescopes, available in multiple sizes: 20mm, 25mm, 35mm, 40mm, and 70mm.
• Glass material with aluminum coating and protective film ensures optimal light reflection and durability for enhanced stargazing experiences.
• Compatible with various aperture reflector main mirrors, including 76mm, 114mm, 127mm, 133mm, 135mm, 150mm, and 203mm, providing flexibility for your telescope setup.
• Perfect for astronomy enthusiasts looking to upgrade their telescopes or build custom setups, offering excellent performance and reliability.
• Each package includes one secondary mirror, making it easy to replace or upgrade your existing telescope components for improved viewing .

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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