Nikon EDG 7x42DCF User Manual - Page 23
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Specifications
Type：Roof-prism central focusing type
Model
Magnification (x)
Effective diameter of objective
lens (mm)
Angular field of view (˚)
Angular field of view (apparent) (˚)*
Field of view at 1,000m (m/ft.)
Exit pupil (mm)
Brightness
Eye relief (mm)
Close focusing distance, approx
(m/ft.)**
Interpupillary distance adjustment
(mm)
Length (mm/in.)
Width (mm/in.)
Weight（g/oz.)***
Structure
* The number calculated by the formula [tan ω ' = τ x tan ω ]
Apparent field of view: 2 ω ', Magnification: τ , Real field of view: 2 ω
** Without diopter adjustment
*** Without objective cap
8x32DCF 10x32DCF 7x42DCF 8x42DCF 10x42DCF
8
10
7
32
32
42
7.8
6.5
8.0
57.2
59.2
52.2
136/446
114/374
140/459
4.0
3.2
6.0
16.0
10.2
36.0
18.5
17.3
22.1
2.5/8.2
2.5/8.2
3/9.8
54 - 72
54 - 72
55 - 76
142/5.6
142/5.6
149/5.87 148/5.83
134/5.3
134/5.3
137/5.4
670/23.6
670/23.6
810/28.6 810/28.6
☆ Waterproof (5m/10min.) and Nitrogen Gas
☆ Waterproof mode:
The EDG is waterproof, and will suffer
no damage to the optical system if
8
10
submerged or dropped in water to a
maximum depth of 5 meters for up to 10
42
42
minutes.
7.7
6.5
The EDG offers the following
56.6
59.2
advantages:
• Can be used in conditions of high
135/443
114/374
humidity, dust and rain without risk of
5.3
4.2
damage.
28.1
17.6
• Nitrogen-filled design makes it resistant
to condensation and mold.
19.3
18
Observe the following when using the
3/9.8
3/9.8
EDG.
• As the binoculars does not have a
55 - 76
55 - 76
perfectly sealed structure, it should not
be operated nor held in running water.
151/5.94
• Any moisture should be wiped off
137/5.4
137/5.4
before adjusting movable parts
820/28.9
(focusing knob, etc.) of the EDG
to prevent damage and for safety
reasons.
To keep your EDG in excellent condition,
Nikon Vision recommends regular
servicing by an authorized dealer.
23