YBP19 Binoculars
SECOZOOM 10×50 12×50 Large eyepiece BAK4 Prism high power binoculars waterproof for adults
※Large eyepiece Wide field of view
※Multilayer wideband HD coating
※Center focus hand
※Paul type nitrogen-filled waterproof
※BAK4- Prism Prism
Product introduction
※Large eyepiece Wide field of view
Visual viewing comfort, effectively avoid dark Angle, wide field of vision, smaller color difference, stronger effect.
※Multilayer wideband HD coating
Special high transmittance FMC multilayer coating, high transmittance of 99% color clear and sharp.
※Center focus hand
Wheel environmental rubber material, feel comfortable, left and right adjustment accurate and fast focus.
※Paul type nitrogen-filled waterproof
On the market, the rare Paul type nitrogen-filled waterproof nitrogen-filled anti-fogging IPX7 nitrogen-filled waterproof.
※BAK4- Prism Prism
The imaging reduces the reflection, the imaging is bright and sharp, and the true restoration degree is high.
The imaging reduces the reflection, the imaging is bright and sharp, and the true restoration degree is high.
Specification
- Tab1
MODELS
|
8×42
|
10×42
|
10×50
|
12×50
|
Magnification
|
8x
|
10x
|
10x
|
12x
|
Objective lens diameter (mm)
|
42
|
42
|
50
|
50
|
Exit pupil diameter (mm)
|
5.3
|
7.1
|
5
|
4.2
|
Relative brightness
|
28
|
24
|
25
|
18
|
Twilight factor
|
18.3
|
18.7
|
22.4
|
24.5
|
Eye relief (mm)
|
21
|
24
|
19
|
14
|
Field of view,real (degree)
|
8.1°
|
7°
|
6.5°
|
5.6°
|
Field of view,apparent (degree)
|
65°
|
49°
|
65°
|
67°
|
Field of view,real (m / 1000 M )
|
142M
|
122M
|
114M
|
98M
|
Field of view,real ( ft / 1000 yds)
|
425FT
|
367FT
|
342FT
|
294FT
|
Close focusing distance (m)
|
3
|
5
|
5
|
6
|
Diopter compensation (dpt)
|
±4
|
±3
|
±4
|
±6
|
Size
|
220X200X80MM
|
|||
weight
|
980g
|
980g
|
960ɡ
|
960ɡ
|
Interpupillary distance (mm)
|
53 ~74
|
|||
Focus system
|
Center
|
|||
Prism system
|
Porro
|
|||
Prism glass
|
BAK4
|
|||
Objective lens structure
|
2 elements/ 1 groups
|
|||
Eyepiece lens structure
|
4 elements/ 3 groups
|
3 elements/ 2 groups
|
4 elements/ 3 groups
|
|
Lens and prism coating
|
Fully multi-coated on all air exposed lenses
|
|||
Eyecups style
|
Twist up with 3 click stops
|
|||
Waterproof
|
Yes
|
|||
Adapt to tripod
|
Yes
|
Product Description

Large eyepiece Wide field of view
Visual viewing comfort, effectively avoid dark Angle, wide field of vision, smaller color difference, stronger effect.
Multilayer wideband HD coating
Special high transmittance FMC multilayer coating, high transmittance of 99% color clear and sharp.


Center focus hand
Wheel environmental rubber material, feel comfortable, left and right adjustment accurate and fast focus.
Paul type nitrogen-filled waterproof
On the market, the rare Paul type nitrogen-filled waterproof nitrogen-filled anti-fogging IPX7 nitrogen-filled waterproof.


BAK4- Prism Prism
The imaging reduces the reflection, the imaging is bright and sharp, and the true restoration degree is high.
Picture display
Main Catagory
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