Newton Reflecting telescope DIY primary mirror 130mm & secondary flat lens 35mm

Description

Spherical
lens group Newtonian reflection astronomical telescope Dai.130 F650
Specification
Actual Diameter: 133mm,
Valid Diameter 130mm,
Focal length: 650,
The thickness of the main mirror about 18mm,
Weighs about 800 grams
Spherical mirror, aluminum plating and protective film,
The minor axis of the secondary mirror (short side diameter) Length 35mm.
Delivery details
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