Binger 40x150 High Power Binoculars APO FMC BAK4 Waterproof for Astronomy Marine
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40x150 Big Binoculars
The 40x150 Big Binoculars are designed for
professional and long-range observation, combining exceptional optical
performance with rugged, all-weather construction. Featuring a large 150mm
objective lens and precision-engineered optics, these binoculars deliver
high-resolution images with excellent brightness, contrast, and color
fidelity—ideal for astronomy, marine use, and surveillance applications.
Features
-
BAK-4
Prism System: Delivers superior light transmission and edge-to-edge
image clarity.
-
APO
(Apochromatic) Design: Minimizes chromatic and spherical aberrations
for true-color, high-contrast viewing.
-
Fully
Multi-Coated Optics: Enhances brightness and reduces glare for sharp,
high-contrast images.
-
Focus-Free
Operation: Allows fast and convenient viewing without the need for
manual focusing.
-
100%
Waterproof Construction: Nitrogen-filled and sealed to perform
reliably in harsh environments.
-
Heavy-Duty
Build: Engineered for stability and precision in professional
observation setups.
Technical Specifications
|
Parameter |
Specification |
|
Magnification |
40× |
|
Objective Lens Diameter |
150 mm |
|
Prism Type |
BAK-4 |
|
Optical Design |
APO (Apochromatic) |
|
Coating |
Fully Multi-Coated |
|
Exit Pupil |
3.8 mm |
|
Eye Relief |
20 mm |
|
Field of View |
2° 18′ |
|
Resolution |
1.6″ |
|
Diopter Adjustment Range |
Fixed 63 mm |
|
Focus System |
Focus-Free |
|
Waterproof |
100% Waterproof |
|
Recommended Use |
Astronomy, Marine, Long-Range Observation |