Specification

6-20x21mm

7-21x22mm

8-30x21mm

10-40x21mm

Magnification

6-20x

7-21x

8-30x

10-40x

Obj.lens

21mm

21mm

21mm

21mm

Field of View

88-41m/1000m

79-41m/1000m

62-35m/1000m

53-21m/1000m

Exit pupil

3.5-1.05mm

3.0-1.0mm

2.6-0.7mm

2.1-0.53mm

Eye relief

11.0-8.0mm

11.0-8.0mm

11.0-8.0mm

11.0-8.0mm

Weight

205g

205g

205g

210g