GSO ELLIPTICAL SECONDARY MIRROR 62.5mm William Optics Objective diameter

Objective diameter

2600 (excluding Duo series):

Product code: 10M1056

especially if the object is away from the celestial pole and the optical tube is short

It is possible to use the M-Uno with Newtonian optics (for example 8" f4) and even with short refractors (400-500 mm)

GSO ELLIPTICAL SECONDARY MIRROR 62.5mm William Optics Objective diameterThe GSO 62. 5mm elliptical secondary mirror is ideal for amateur telescope makers. GSO secondary mirrors are offered in sizes from 62. 5 88mm to suit a variety of primary mirrors. Well known for their excellent quality, GSO mirrors are some of the best available in their price range. The secondary mirror does not come with a holder, but can be glued in place. The mirrors are made from BK 7 glass with highly reflective aluminium coating (typically 93%)