Refractor telescope aperture 120 mm focal length 600 mm focal ratio 15 optical systems fraunhofer achromatic refractor max useful magnification 240 x tracking equatorial mount equatorial mount 3 2 eq3 2 tripod aluminium tripod features red dot viewfinder minimum useful magnification 17 eye piece 2 eyepiece type super plssl included in delivery 2x barlow lens amici prism eyepiece adapter 125 2