GSO parabolic Newtonian primary mirror 8' diameter f/5

GSHS200f5

GSO Guan Sheng Optical
in stock

GSO parabolic Newtonian primary mirror 8" diameter f/5

188,00 EUR
incl. 19 % Tax
excl.Shipping costs

Description

Parabolic Primary MIrror for Newtonian Telescopes
Aperture 200mm (8") - Focal Length 1000mm - AD049

GSO is a renowned manufacturer of astronomical products specializing in particular on Newtonian-style telescopes. In the past years GSO has gained a lot of experience and has reached a level of optical quality rarely seen in this price range.

Mirror Substrate ... All our GSO mirrors are made from highest quality BK7 optical glass. This substrate is free from internal stress and is very homogenous.

Optical Quality ... We guarantee that the surface of the mirror is diffraction limited with an RMS surface prevision of 1/16 wave or better.

Reflectivity ... The mirrors have an aluminium reflective coating with a reflectivity of about 94%. The reflective coating is covered by a quartz protective coating.

Specifications:

-- Optical diameter (aperture) ... 200mm / 8"
-- Focal length ... 1000mm
-- Focal ratio ... F/5
-- Thickness ... 25mm
-- Mirror ... BK7
-- Weight ... 1,9kg
-- Reflectivity ... 94%