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DIY Newtonian reflection astronomical telescope Mirrors Optical Glass 114mm F900 For Sale


DIY Newtonian reflection astronomical telescope Mirrors Optical Glass 114mm F900



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DIY Newtonian reflection astronomical telescope Mirrors Optical Glass 114mm F900:
$18.79

SphericalMirrorNewtonian reflection astronomical telescope Dia.114SpecificationCaliber: 114mm,Focal length: 900mm, 500mmThe thickness of the main mirror about 15mm,Spherical mirror, aluminum plating and protective film,Accuracy of the mirror: 1/6 waveAluminized plus protective film, a layer of SIO (silcon oxide) .The mirror axis of the secondary mirror (short side diameter) Length 25mm. and long side diameter 35mm

SphericalMirrorNewtonian reflection astronomical telescope Dia.114


Specification

Caliber: 114mm,

Focal length: 900mm, 500mm

The thickness of the main mirror about 15mm,

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 25mm. and long side diameter 35mm


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