Reflector telescope aperture 130 mm focal length 650 mm focal ratio 15 optical systems reflector newton suitable for beginners enthusiasts max useful magnification 260 x tracking equatorial mount equatorial mount 3 eq3 tripod aluminium tripod astrophotography function none minimum useful magnification 18 coating fully coated resolution power 088 bogensekunden light collecting power 7mm pupil 340 border size 124 mag finderscope 6x30 eye