Eyepiece Specifications - Nikon EDG 85 VR Manual De Instrucciones

Eyepiece specifications

Models FEP-20W
20
Magnification
(x)
16
3.3
Real field of
view (˚)
4.1
60
Apparent field
of view (˚)*
60
Field of view 58/173
at 1,000m/yds.
(m/ft.) 72/215
4.3
Exit pupil (mm)
4.1
18.5
Relative
brightness
16.8
20.1
Eye relief (mm)
20.1
Length
59/2.3
(mm/in.)
Outer diameter
63/2.5
(mm/in.)
Weight (g/oz.) 240/8.47
Structure
Top row: When attached to EDG/EDG VR Fieldscope 85 series
* The number calculated by the formula [tan ω' = Γ x tan ω ]: Apparent field of view: 2ω', Magnification: Γ, Real field of view: 2ω
** At lowest and highest magnifications
*** With detachable turn-and-slide eyecup
All manuals and user guides at all-guides.com
FEP-25LER FEP-30W
25 30
20 24
2.4 2.4
3.0 3.0
55.3 64.3
55.3 64.3
42/126 42/126
52/157 52/157
3.4 2.8
3.3 2.7
11.6 7.8
10.9 7.3
32.3 25.4
32.3 25.4
81/3.2: turn-and-
77/3.0 slide
79/3.1: DS
63/2.5 63/2.5
320/11.29 390/13.76***
Waterproof (up to 2m for 10 min.) and fog free with nitrogen gas and
O-ring seals (body/eyepiece joint is water resistant)
FEP-38W FEP-50W
38 50
30 40
1.9 1.4
2.4 1.8
64.3 64.3
64.3 64.3
33/99 24/73
42/126 31/94
2.2 1.7
2.2 1.6
4.8 2.9
4.8 2.6
17.9 17.8
17.9 17.8
74/2.9 71/2.8
63/2.5 63/2.5
230/8.11 230/8.11
Bottom row: When attached to EDG Fieldscope 65 series
FEP-75W FEP-20-60
75 20-60
60 16-48
1.0 2.2-1.1**
1.2 2.8-1.4**
64.3 42-60**
64.3 42-60**
17/52 38-19/115-58**
21/63 49-24/147-73**
1.1 4.3-1.4**
1.1 4.1-1.4**
1.2 18.5-2.0**
1.2 16.8-2.0**
17.0 18.4-16.5**
17.0 18.4-16.5**
71/2.8 99/3.9
63/2.5 63/2.5
230/8.11 330/11.64
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