High-precision Spherical Lens DIY Newtonian Reflection telescope Dia.203 F750 For Sale
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High-precision Spherical Lens DIY Newtonian Reflection telescope Dia.203 F750:
$34
Specification
Caliber: 203mm,
Focal length: 750mm,
The thickness of the main mirror about 18mm,
Weighs about 1300 grams,
Spherical mirror, aluminum plating and protective film,
The minor axis of the secondary mirror (short side diameter) Length 70mm.
Payment
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