Refractor telescope aperture 90 mm focal length 900 mm focal ratio 110 optical systems refractor fraunhofer achromatic max useful magnification 180 x tracking equatorial mount equatorial mount 3 2 eq3 2 tripod aluminium tripod minimum useful magnification 12 finderscope 6x30 eye piece 125 rack and pinion eyepiece type super plssl total weight 117 kg included in delivery 2x barlow lens star diagonal 125 90 t 2 adapter piggy back camera