Aperture : 22mm
Magnification : 8x
Angle of view : 6.3°
Field of View at 1,000m : 110m
Exit pupil : 2.8mm
Relative brightness : 7.8
Eye Relief : 17mm
Dimensions : 110 x 105 x 38mm
Focus range : 3m(9.8ft.) - infinity
Weight : 300 g

Aperture : 25mm
Magnification : 10x
Angle of view : 5°
Field of View at 1,000m : 87m
Exit pupil : 2.5mm
Relative brightness : 6.3
Eye Relief : 17mm
Dimensions : 110 x 105 x 38mm
Focus range : 2m (6.5ft.) - infinity
Weight : 300 g

Aperture : 40mm
Magnification : 8x
Angle of view : 6.3°
Field of View at 1,000m : 110m
Exit pupil : 5.0mm
Relative brightness : 25
Eye Relief : 20mm
Dimensions : 171 x 145 x 77mm
Focus range : 3.5m (11.5 ft.) - infinity
Weight : 760 g

Aperture : 50mm
Magnification : 7x
Angle of view : 6.2°
Field of View at 1,000m : 108m
Exit pupil : 7.1mm
Relative brightness : 51
Eye Relief : 20mm
Dimensions : 181 x 199 x 82mm
Focus range : 6.0m (20.0 ft.) - infinity
Weight : 970 g

Aperture : 50mm
Magnification : 10x
Angle of view : 5.0°
Field of View at 1,000m : 87m
Exit pupil : 5.0mm
Relative brightness : 25.0
Eye Relief : 20mm
Dimensions : 181 x 187 x 82mm
Focus range : 5.5m (18.0 ft.) - infinity
Weight : 960 g

Aperture : 50mm
Magnification : 20x
Angle of view : 2.5°
Field of View at 1,000m : 44m
Exit pupil : 2.5mm Relative brightness : 6.3
Eye Relief : 20mm
Dimensions : 181 x 199 x 82mm
Focus range : 5.5m (18.0 ft.) - infinity
Weight : 990 g