GSO ELLIPTICAL SECONDARY MIRROR 70mm QHY15 Another significant advantage of very

Another significant advantage of very low friction is that the risks of motor slipping during GOTO operation is virtually nil

By changing the distance to the camera sensor

Folded length

The bag accommodates the majority of counterweights with a diameter up to 160mm and a height up to 100mm

In this way any object can be tracked for at least four hours

GSO ELLIPTICAL SECONDARY MIRROR 70mm QHY15 Another significant advantage of veryThe GSO 70mm elliptical secondary mirror is ideal for amateur telescope makers and is perfectly suited to the Geoptik Nadirus 12" Dobsonian. 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