A rugged, marine-specific optical solution designed for high-clarity viewing in maritime environments, featuring full waterproofing and nitrogen-purged internal chambers.
The Gerber Nautica Series II is a purpose-built binocular series engineered for boaters, fishers, and outdoor enthusiasts who require precision optics in challenging conditions. Unlike standard binoculars, these are designed to survive the corrosive nature of salt spray, high humidity, and accidental submersion. They utilise high-quality BaK-4 prisms and fully multi-coated (FMC) lenses to ensure maximum light transmission, which is critical when identifying navigation markers or spotting bird activity during low-light dawn or dusk periods. The Series II features a distinctively ergonomic, rubber-armoured body that provides a secure, non-slip grip even when wet, making them a reliable tool for the demanding Australian coastline.
Key Technical Features
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IPX7 Waterproof Rating: Specifically sealed with O-rings to prevent moisture, dust, and debris from entering the optical barrels, even if dropped in shallow water.
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Nitrogen Purged Internal: The barrels are filled with dry nitrogen gas to eliminate internal fogging and condensation caused by rapid temperature changes on the water.
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BaK-4 Porro Prisms: Constructed with premium barium crown glass to ensure superior edge-to-edge sharpness and a circular exit pupil for brighter, clearer images.
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Fully Multi-Coated (FMC) Optics: Multiple layers of anti-reflective coatings on all air-to-glass surfaces reduce glare and increase contrast in high-glare marine environments.
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Impact-Resistant Rubber Armouring: Wrapped in a heavy-duty, textured rubber housing that absorbs shocks from bumps and drops while protecting the internal alignment.
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Long Eye Relief: Designed with "twist-up" eyecups to accommodate both spectacle wearers and those without, ensuring a comfortable, full field of view for all users.
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High-Light Transmission: The large 50mm objective lenses gather significant light, maintaining image brightness during overcast days or twilight hours.
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Individual Eyepiece Focus: Often features a dual-focus system that allows for precise calibration to the user's specific eyesight, ensuring "set and forget" clarity at distance.
Technical Specifications
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Magnification: 7x (The marine standard for image stability on moving vessels).
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Objective Lens Diameter: 50mm.
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Exit Pupil: 7.1mm (Optimised for low-light performance).
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Field of View: Approximately 132m at 1,000m.
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Weight: Approximately 1.1kg.
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Chassis Material: Reinforced Polycarbonate with Rubber Armour.
Best For
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Marine Navigation: The 7x magnification is ideal for use on boats as it minimises the "image shake" caused by engine vibration and ocean swell.
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Offshore Fishing: Perfect for spotting distant surface feeding or "working birds" without the risk of salt-air degradation.
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Coastal Surveillance: A durable choice for volunteer marine rescue and shore-based observation in high-moisture environments.
