Nikon 4x10DCF - Product Details; Nomenclature; Specifications

Ru
Se
Nl
Dk
Pl
Hu
Cz
Fi
No
Jp
En
De
Fr
Es
It
Ro
20
Ru
Se
Nl
Dk
Pl
Hu
Cz
Fi
No
Jp
En
De
Fr
Es
It
Ro
21
①
②
④
⑤
⑥
①
③
②
Nomenclature
①
Eyepieces
②
Rubber eyecups
③
Focusing ring
④
Objective lens
⑤
Interpupillary distance
⑥
Neckstrap eyelets
Specifications
Model 4x10D CF
Type Roof-prism central focusing type
Magnication (x) 4
Eective diameter of objective lens (mm) 10
Real eld of view (˚) 10.0
Angular eld of view (apparent) (˚)* 38.6
Field of view at 1,000m (m)
175
Exit pupil (mm) 2.5
Relative brightness 6.3
Eye relief (mm) 13.7
Close focusing distance (m)**
1.2
Interpupillary distance adjustment (mm)
57 — 72
Width (mm) 93 (96)***
Length (mm) 52
Weight (g) 65
* The number calculated by the formula [tan
ω'= Γ x tan ω]
Apparent field of view: 2ω'
, Magnification: , Real field of view: 2 ω
** With normal eyesight without accomodation *** With neckstrap eyelet
・ This product is not waterproof. Therefore, avoid getting it wet from rain, water splashes, etc.