Catadioptric telescope aperture 152 mm focal length 1 900 mm focal ratio 1125 optical system maksutov cassegrain suitable for beginners enthusiasts max useful magnification 300 x tracking equatorial mount equatorial mount features goto coating aluminium series bresser messier finderscope 6x30 eye piece 25 eyepiece type plssl included in delivery optical tube prism rail finder scope t 2 adapter star diagonal