Magnification: 8X   8x    10x

Objective Lens Size: 25mm      32mm      42mm

Field of View: 113m/1000m       105m/1000m        98m/1000m

Angle of Vision: 6.5°    6°     5.6°

Eye Relief: 16.5mm      16.5mm      16mm

Exit Pupil: 3.13mm        4.0mm       4.2mm

Near Focus: 5m         2.5m            5m

Prism System: Roof prism       Roof prism      Roof prism

Prism Glass:BAK4           BAK4            BAK4