GEOPTIK 12" NADIRUS DOBSONIAN COMPLETE gigantic case Dall-Kirkham up to 10″ in

Dall-Kirkham up to 10″ in aperture and 20 kg weight according to the tube length

you may introduce a difference of up to 14 arcseconds into your pointing accuracy

Power consumption ~ 1 A while tracking

85x reduction factor will convert the focal ratio of your Evostar 80ED from f/7

converting the SkyWatcher Newton Quattro in superb astrographs

GEOPTIK 12" NADIRUS DOBSONIAN COMPLETE gigantic case Dall-Kirkham up to 10″ inNote: This kit includes both primary and secondary mirrors, focuser and Telrad reflex finder. The Geoptik Nadirus 12" complete kit is a high quality Italian designed and manufactured Dobsonian telescope made from lamellar beech and birch, resulting in a lightweight and stable structure. The entire structure is coated for outdoor use. The complete kit includes a 12" f 5 GSO parabolic primary mirror and 70mm GSO elliptical secondary mirror. The mirrors