Specifications – Nikon PROSTAFF P7 8x42 Binoculars User Manual
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Specifications
Type: Dach prism central focusing type
Model
8Ч30
10Ч30
8Ч42
10Ч42
Magnification (×)
8
10
8
10
Effective diameter of objective
lens (mm)
30
30
42
42
Angular field of view (real) (˚)
8.7
6.6
7.2
7
Angular field of view (apparent) (˚)*
1
62.6
59.9
53.4
62.9
Field of view at 1,000m/yds. (m/ft.)
152/456
115/346
126/377
122/367
Exit pupil (mm)
3.8
3.0
5.3
4.2
Brightness
14.4
9.0
28.1
17.6
Eye relief (mm)
15.4
15.4
20.2
15.7
Close focusing distance,
approx. (m/ft.)
2.5/8.2
2.5/8.2
3.0/9.8
3.0/9.8
Length (mm/in.)
125/4.9
125/4.9
152/6.0
150/5.9
Width (mm/in.)
130/5.1
130/5.1
130/5.1
130/5.1
Depth (mm/in.)
52/2.0
52/2.0
55/2.2
55/2.2
Weight (g/oz.)
485/17.1
470/16.6
590/20.8
600/21.2
Interpupillary distance
adjustment (mm/in.)
56-72/2.2-2.8
56-72/2.2-2.8
56-72/2.2-2.8
56-72/2.2-2.8
Waterproof structure
Waterproof (up to 1m/3.3 ft. for 10 minutes)*
2
, fogproof
*1 Apparent field of view is calculated based on the ISO14132-1:2002 standard
*2 Not designed for underwater usage