Model  Focal length (mm)  Objective lens (mm)  Field of view  Resolution  Observation class*  Eyepiece  With 2x Barlow lens
           K10 mm  H25 mm  K10 mm  H25 mm
60-700  700  60  1 9-7  4.62  10.3  70 x  28 x  140 x  56 x
60-800  800    53-614      80 x  32 x  160 x  64 x
60-900  900    47-6      90 x  36 x  180 x  72 x

Finder scope  
Power  Field of view  
5x  542