Reflector telescope aperture 203 mm focal length 2 035 mm focal ratio 110 optical system reflector suitable for enthusiasts max useful magnification 406 x tracking altazimuth mount altazimuth tripod steel tripod features wifi red dot viewfinder starpointer goto telescope features wireless control astrophotography suitable astrophotography function digiscoping lens barrel length 430 mm minimum useful magnification 28 coating starbright xlt seri