Ptical DesignNewtonian ReflectorAperture (Mm)114 Mm (4.49 In)Focal Length1000 Mm (39 In)Focal Ratio8.77Focal Length Of Eyepiece 1 (Mm)20 Mm (0.79 In)Magnification Of Eyepiece 150 XFocal Length Of Eyepiece 2 (Mm)10 Mm (0.39 In)Magnification Of Eyepiece 2100 XFinderscopeBuilt-On StarpointerMount TypeCg-2 EquatorialTripod1.25" Steel Tube LegsHighest Useful Magnification269 XLowest Useful Magnification16 XLimiting Stellar Magnitude12.8Resolution (Rayleigh)1.22 Arc SecondsResolution (Dawes)1.02 Arc SecondsLight Gathering Power (Compared To Human Eye)265 XApparent Field Of View1 °Linear Field Of View (@1000 Yds)53 Ft (16 M)Optical CoatingsAluminumOptical Tube Length18 In (457 Mm)Warranty2-Year Telescope Warranty