Specification
15-45x65mm
20-60x65mm
20-60x80mm
Magnification
15-45x
20-60x
Obj.lens (mm)
65
80
F.o.v. (mm)
54-18
40-14
Exit pupil (mm)
4.3-1.5
3.3-1.1
4.0-1.3
Eye relief (mm)
25-22
19-17.5
Length (mm)
395
428
528
Weight (g)
995
1025
1065
Waterproof
yes