English – Pentax 8.22 User Manual
Page 6
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English
Specifications
Models
Features
8X22DCF MC
10X25DCF MC
Type
Roof prism, center focusing
Magnification
8x
10X
Effective
diameter
of objective lens
22im
2 Sum
Real field of vision
6.3‘
5. O'
Field of vision at 1000m
Field of vision at lOOOyards
110m
330ft.
87 m
261ft.
Exit pupil aperture
2.8m
2.5Bn
Relative brightness
7.8
6.3
Eye relief
17m
17m
Focusing range
About 3m to infinity
About 9.8ft. to infinity
About 2m to infinity
About 6.6ft. to infinity
Eye width (ocular distance)
Adjustable range
33I1M to 72imil
1.3 in to 2.8 in
Height & width
1 l0mmxi05nM
4.3 inX4.1 in
Thickness
38mil (1.5 in)
Weight
300g(10.6oz)
Accessories
Eyepiece lens cap, Case, Neck strap