ID
1307262
$ 350.57
1-2 weeks delivery time
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The Sea NAV Individual Focus 7x50 Marine Binoculars with Illuminated Compass (Lalizas 31367, IMPA 370343/370344/370345) offer 7× magnification, Ø50 mm objectives, and BaK-4 Porro prisms for bright, stable marine images. Nitrogen-filled sealed optics prevent fog and condensation. Individual ocular focus with fold-down rubber eyecups supports 21.1–23 mm eye relief (glasses compatible). FOV 127 m @1000 m (7.3°). Compass light uses LR43 battery. Includes neck strap and floating strap, case, soft bag, cloth, and desiccant.
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Sea NAV 7x50 Individual Focus Marine Binoculars with Illuminated Bearing Compass – Waterproof, Floating, BAK-4 (Lalizas 31367, IMPA 370343/370344/370345)
Product Overview
The Sea NAV by Lalizas 31367 7x50 IF marine binoculars are built for offshore observation and bearing work. A fully sealed, nitrogen-filled chamber prevents internal condensation and fog. The model is floating and shock-resistant thanks to a rubber-armored housing and the supplied float strap. The illuminated bearing compass + grid reticle enable relative distance, size, and course estimation.
Key Features
- Optical class: 7× / 50 mm (Ø objective)
- Prisms: Porro BaK-4 glass
- Focus: Individual focus + ocular diopter adjustment (sealed)
- FOV: 127 m @ 1000 m (7.3° angle of vision)
- Eye relief: 21.1–23 mm (comfortable for eyeglass users)
- Exit pupil: 7 mm (bright marine imaging)
- Eyecups: Foldable rubber, light-blocking, side-light limiting
- Anti-glare: Blue-tinted Ruby coating on lenses
- Housing: Rubber armored (shockproof, non-slip grip, marine spray tolerant)
- Floating: viewer stays afloat with supplied float strap
- Compass illumination: battery powered (LR43 class / 1.5 V typical)
- Net body weight: 914 g (0.914 kg)
- Shipping weight: 1.2 kg
- Vibration-safe marine storage and long-range scanning
Technical Specifications
Parameter Value Brand / Manufacturer Lalizas Model 31367 IMPA Codes 370343, 370344, 370345 Magnification 7× Objective Lens Ø 50 mm Prisms Porro BaK-4 Focus Type Individual focus + diopter per ocular (sealed) Field of View @1000 m 127 m Angle of Vision 7.3° Exit Pupil 7 mm Eye Relief 21.1–23 mm Lens Coating Multi-coated + Ruby anti-glare Anti-Fog Nitrogen-filled sealed optics Housing Protection Rubber armored, shockproof, floating capable Battery for Compass Light LR43 class (1.5 V typical) Dimensions (body) 17 × 9.5 × 20 cm Weight (body) 914 g Shipping Weight 1.2 kg Accessories Neck strap, float strap, lens covers, case, cleaning cloth, desiccant
Applications
- Horizon scanning and course bearings
- Distance and object size estimation (grid reticle)
- Vessel, buoy, and landmark tracking
- Bright/glare offshore daylight observation
- Suitable for users with glasses (foldable light-blocking eyecups)
Package Contents
- 1 × Sea NAV 7x50 IF Binoculars (Lalizas 31367)
- 1 × Neck strap
- 1 × Float strap (keeps binoculars afloat)
- 1 × Protective carrying/storage case
- Ocular diopter caps + built-in joint lens covers
- 1 × Lens cleaning cloth
- 1 × Desiccant anti-humidity cartridge
Standards & Construction
- Optical chamber sealing: 100% watertight
- Fog prevention: nitrogen gas filling
- Impact protection: rubber armor around body and eyepieces
Important Notes
- Compass light battery LR43 included/replaceable (1 pc typical)
- Focus is per ocular (individual IF), maintains sealed optical path
- Viewer stays afloat only when used with the supplied float strap
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