SEA NAV Marine Binoculars - 7x50 - Center Focus - Waterproof - BAK-4 Prisms
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You have 30 days to request a return. All sale items are final sale.
Premium SEA NAV Marine Binoculars - 7x50 Center Focus
These professional-grade SEA NAV marine binoculars combine 7x magnification with 50mm objective lenses for superior light gathering and bright, clear images in all marine conditions. The center focus system, BAK-4 porro prisms, and waterproof construction make these the ideal navigation and observation tool for serious mariners.
Key Features
- 7x50 Configuration: 7x magnification with 50mm objective lenses provides optimal brightness and stability for marine use
- Center Focus System: Convenient center focus wheel allows quick, simultaneous adjustment of both eyepieces
- BAK-4 Porro Prisms: Premium BAK-4 prism glass provides superior light transmission and image clarity
- Waterproof Construction: Sealed optics prevent water intrusion in wet marine environments
- Rubber Fold-Down Eyecups: Adjustable eyecups accommodate eyeglass wearers and provide comfortable viewing
- Lightweight Design: 873g weight reduces fatigue during extended observation periods
- 7.14mm Exit Pupil: Large exit pupil ensures bright images in low-light conditions
- 20mm Eye Relief: Comfortable viewing distance reduces eye strain during extended use
- 114m Field of View: Wide field of view at 1000m for easy target acquisition
- Complete Kit: Includes soft carrying bag, neck strap, lens cleaning cloth, and desiccant
Technical Specifications
- Magnification: 7x
- Objective Lens Diameter: 50mm
- Prism Type: Porro BAK-4
- Angle of Vision: 6.6°
- Exit Pupil: 7.14mm
- Eye Relief: 20mm
- Focus Type: Center Focus
- Field of View: 114m @ 1000m
- Weight: 873g (1.92 lbs)
- Dimensions: 19 x 6 x 17.5cm
- IMPA Code: 370342
Applications
Essential navigation and observation equipment for commercial vessels, recreational boats, sailing yachts, and professional mariners. The 7x50 configuration is the gold standard for marine binoculars, providing optimal magnification for handheld use while maximizing light gathering for dawn, dusk, and night observations. The center focus system allows for quick adjustments when scanning the horizon or tracking moving targets.
Ideal for navigation, collision avoidance, wildlife observation, search and rescue operations, and general marine surveillance. The waterproof construction ensures the binoculars survive wet conditions, while the lightweight design reduces fatigue during extended use. The included accessories provide complete protection and maintenance capability for years of reliable service.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.