Feature |
Value |
Comment |
|---|---|---|
|
Objective Lens
|
2 elements, 1 groups
|
|
|
Focusing Range
|
3m to infinity
|
|
|
Lens
|
4 elements, 3 groups
|
|
|
Prism
|
Porro
|
|
|
Objective Lens Diameter
|
21mm
|
|
|
Specifications
|
8 to 16X
|
|
|
Apparent Field Of View
|
40 degrees (8X) to 48 degrees (16X)
|
|
|
Real Field Of View
|
5.0 degrees (8X) to 3.0 degrees (16X)
|
|
|
Field Of View At 1000m
|
87m (8X) to 52m (16X)
|
|
|
Coating
|
Lens- Multi-coating Prism- Coating
|
|
|
Binocular Type
|
Porro prism, Linked-dual-axis, Center focusing, Center zoom ring, Center diopter adjustment knob
|
|
|
Field Of View At 1000y
|
261 ft. (8X) to 156 ft. (16X)
|
|
|
Exit Pupil
|
2.6mm (8X) to 1.3mm (16X)
|
|
|
Eye Relief
|
14mm (8X) to 11mm (16X)
|
|
|
Relative Brightness
|
6.7 (8X) to 1.7 (16X)
|
|
|
Eye Width Adjustment Range
|
56 to 73.5mm
|
|
|
Eyepiece Ring
|
Helicoid type
|
|
|
Body Color
|
Black
|
|
|
Height Width
|
55mm x 111mm
|
|
|
Thickness
|
111mm
|
|
|
Weight
|
280g
|
|
|
Waterproof
|
No
|
|
|
Camera Accessories
|
Eyepiece lens caps, Case, Neck strap
|
|
|
Release Date
|
||
|
First seen
|
16 January 2008
|
|