Features:

1.Perfect for marine – marine binoculars with 7x magnification and 50mm objective lens;24 mm eye relief, 7.1mm exit pupil, and field of view is 396 feet at 1000 yards / 132 meters at 1000 meters.
2.Adapt to extreme environment – completely waterproof and float in water. Nitrogen-purged fog proofed stable, comfortable to hold and highly durable.
3.Bright and clear – Porro prism system for a wide field of view. Premium BAK4 prism and fully multi-coated optics produce bright, crisp images.
4.Compass & rangefinder – illuminated compass built-in for direction location, with an internal rangefinder for determining distance and size of objects.
5.Non-slip rubber armor absorbs shock & provides a firm grip. Tripod adapter fitting for tripod mounting for increased stability.

Specifications:

Brand: Svbony
Magnification: 7x
Objective lens: 50mm
Eyepiece diameter: 23mm
Prism System: Porro Bak4
Field of View: 396 ft/1000yds
Exit Pupil: 7mm
Eye Relief: 24mm
Waterproof Grade: IPX7
Lens Coating: FMC
Body Material: Plastic steel + Rubber
Eyecups Type: Folding Removable
Focus System: IF
Tripod Adaptable: Yes
Net Weight: 876g

7×50 is the most suited configuration for marine binoculars. 7X magnification is enough for viewing and the objects in the vision won’t shake so much. The large 50mm diameter objective lens gathers more light for a brighter viewing, offering a nice observation experience especially in low-light conditions like dusk, dawn or a cloudy weather. The field of view is 396 feet at 1000 yards / 132 meters at 1000 meters.

Perfect for marine – marine binoculars with 24 mm eye relief and 7.1mm exit pupil. 7.1mm pupil diameter is large enough for comfortable observation and 24mm eye relief meets the needs of viewing with glasses or without glasses.

Completely waterproof, if accidentally the binoculars falling into the sea, the waterproof body will let in no water and float on the water which is easy to catch. Nitrogen filled fog-proof binoculars, keep clear at any time and withstand the extreme environments.

The built-in illuminated compass is convenient for direction location, and with internal reticle scale, you can measure the distance of object of known height.

Bright and clear Porro prism system for a wide field of view. BAK4 has a high refractive index and lower critical angle, which means it transmits light better with less light being lost. The BAK4 offers you the superior brightness, resolution, and edge clarity.

Fully Multi-coated Glass means that all lens surfaces and all air-to-glass surfaces are anti-reflective multi-layer coated. The 50mm FMC lens increases the light transmission, delivers bright, clears and crisps images even in low-light conditions.

Anti-slip rubber armor absorbs shock and provides a firm grip. If binoculars falls down accidentally, the rubber coating body will protect it from damage.

Although this binocular is bigger, but there comes a neck strap with it. You can hang it around your neck, when you want to use it, it was just around your hands.