Parabolic Mirror Lens for Newtonian Reflection Telescope Primary Mirror 203mm

Description

Newtonian reflection astronomical telescope Primary Mirror Dia.203
Specification
Caliber: 203mm,
Focal length: 800, 1000,1200,1600 (
opti
onal
)
Primary mirror, aluminum plating and protective film
The parabolic surface accuracy PV is guaranteed to be better than 1/10 of the wavelength of the light wave, and the spherical aberration is less than 1/15 of the wavelength. The lens blank is made of K9, with a diameter of 203mm, This high-precision parabolic mirror has been recognized by many astronomy enthusiasts, scientific research institutes, and optical manufacturers. With 84% aluminum film and silicon dioxide protective film, the film can be used for 8-10 years under moisture-proof storage.
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Delivery details
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