Product Details
M830R Series Marine Binoculars durable Polycarbonate and NBR rubber armoring IPX78 Waterproof for Hunting Long-Range Viewing
Cylinder Soft Eye Cup: Classic design with a sturdy and durable green exterior. The soft eye cup ensures a comfortable viewing experience.
8x Magnification: Provides an 8x zoom effect with a 30mm objective lens for a clear and stable image.
Always in Focus: The auto-focus system keeps everything sharp from 20 yards to infinity, allowing for effortless one-handed operation and excellent low-light performance. No need for constant adjustments.
Floating Prism System: Features a flexible silicone lens mount that absorbs shocks, impacts, and rough handling without damage.
N2 Injection System: Sealed with 14-psi pressurized dry nitrogen for reliable fog-proof performance in any condition, from extreme cold to intense heat.
Cylindrical Eyecups: Designed to shield the eyes from sunlight, dust, and wind. They can be folded down for use with sunglasses or gas masks.
Multicoated Optics: Advanced multi-coating technology delivers a brighter image, enhanced contrast, and sharp details with natural color accuracy.
BAK4 Prism: Utilizes high-quality BAK4 prisms with superior light transmission for outstanding optical performance.
Ranging Reticle: A functional reticle available on all "r" models, allowing users to estimate both height and distance of targets.
NBR Long-Life Rubber Armoring: A durable, shock-absorbing rubber coating that offers a firm, non-slip grip without feeling sticky or overly soft.
Legendary Durability: Constructed with a Makrolon polycarbonate housing, making it lightweight yet robust enough to withstand impacts of up to 11 Gs.
Double Diopter Correction: Adjustable diopter settings allow synchronization with individual eyesight for precise focus.
IPX78 Waterproof & Fog-Proof: True IPX78-rated waterproofing ensures resistance to extreme outdoor conditions. Nitrogen-filled tubes provide protection against water intrusion, even at depths of up to 5 meters.
Compact Design: Ergonomically balanced for comfortable extended use. The rounded shoulders prevent snags, making it ideal for use in armored vehicles and tanks.






Specifications:
Magnification: | 8X |
Objective diameter(mm) | 30 |
Front lens diameter | 45 |
Prism (BAK4 / BK7) | BAK4 |
Prism Type (Roof / Porro) | Porro |
Eyepiece diameter(mm) | 18mm |
Lens CoatingS | FMC |
FOCUS SYSTEM | individual |
Field of view( | 8° |
Exit pupil diameter | φ4.3mm |
Eye relief(mm) | 18mm |
| 7.8° |
| 136m/1000m, 410ft/1000yards |
Close distance(M) | 3 |
Waterproof (Y/N) | YES |
Fogproof(Y/N) | YES |
Diopter adjustment: | -5D~+5D |
Net weight(g) | 940 |
Dimensions of product | 17.6*11.5*6cm |
Company Profile

Established in 2011, Xiangyang Youbo Photoelectric Co., Ltd. was
born for Armory factory served for Military Purpose.


The 2 main Manufacturing Facilities are located in Deyang and
Xiangyang, both of which have passed I S O 9 0 0 1 certification.
We have been engaged in O E M, O D M, Customization service for
companies all over the world, big medium and small, in North
America, Europe etc. ,
Quality is our culture - Through the efforts of our efficient Q C
team, defective rate is maintained below the lowest level in the
industry.
Continuous Technology Innovation and New Products R and D are our
concepts - We have our own R and D center to provide ultimate
multi-purpose solutions and develop new innovative products.

We Pride ourselves as the leading One Stop Solution Verified
Provider for designing, researching, developing, producing,
marketing and shipping a great variety binoculars, monocular,
spotting scopes, rangefinders, night vision devices, riflescopes,
astronomical telescope, and other optics accessories. By vertical
integrating production with scale and product diversification,
Youbo Optical provides highly valued products at a lower cost.


At present, our business partners located throughout every
continent, developing around 70 brands, include 30 famous brands.
Youbo Optical have an annual output value over US$10million with
annual production capacity of 2,000,000 units optics
Xiangyang Youbo Photoelectric Co., Ltd welcome customers from all
over the world. We are sincerely dedicated to partnering with you
to get win-win cooperation.