14
Jp
En
Specifications
■
Body
Model
20×120 IV
25×120
Magnification (×)
20
25
Objective diameter (mm)
120
120
Angular field of view (real) (˚)
3.0
2.9
Angular field of view (apparent) (˚)
*1
55.3
64.7
Field of view at 1,000 m/yd. (m/ft)
52/156
50/150
Exit pupil (mm)
6.0
4.8
Relative brightness
36.0
23.0
Eye relief (mm)
20.8
18.9
Close focusing distance (m/ft)
133/436.4
210/689.0
Length (mm/in.)
680/26.8
672/26.5
Width (mm/in.)
454/17.9
454/17.9
Height (mm/in.)
160/6.3
160/6.3
Weight (kg/oz.)
14/493.8
14/493.8
Interpupillary distance adjustment (mm/
in.)
58-74/2.3-2.9
58-74/2.3-2.9
Diopter adjustment (m
-1
)
-5 - +3
-5 - +3
Structure
Waterproof (up to 2 m/6.6 ft for 10 minutes)
*2
and nitrogen gas
filled
*1 Apparent field of view is calculated based on the ISO14132-1:2002 standard
The number calculated by the formula [tan ω’ = Γ x tanω ]: Apparent field of view: 2ω’,
Magnification: Γ , Real field of view: 2ω
*2 The binocular telescope is waterproof, and will suffer no damage to the optical system if
submerged or dropped in water to a maximum depth of 2 m/6.6 ft for up to 10 minutes.
■
Fork mount
Tilting angle (Upward) (°)
70
Tilting angle (Downward) (°)
30
Horizontal rotation (°)
360
Height (mm/in.)
407/16.0
Width (mm/in.)
406/16.0
Weight (kg/oz.)
5.5/194.0
