Newton Reflecting telescope DIY primary mirror 130mm secondary flat mirror 35mm For Sale
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Newton Reflecting telescope DIY primary mirror 130mm secondary flat mirror 35mm:
$104.38
SphericalMirror Newtonian reflection astronomical telescope Dai.130 F650
Specification
Diameter 130mm,
Focal length: 650,
The thickness of the main mirror about 18mm,
Weighs about 800 grams
Spherical mirror, aluminum plating and protective film,
Accuracy of the mirror: 1/6 wave
Aluminized plus protective film, a layer of SIO (silcon oxide) .
The mirror axis of the secondary mirror (short side diameter) Length 35mm.
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