Nikon 7x50 Sports + Marine IF WP

The Nikon 7x50 Sports + Marine IF WP binoculars are built for use on and around the water. Their 7x magnification provides a stable image even when observing from a moving boat, while the large 50 mm objective lenses collect plenty of light for clear viewing in cloudy weather, at dawn or at dusk. All lenses and prisms feature multilayer coatings for a bright, detailed and high-contrast image. Each eyepiece can be focused individually, allowing the binoculars to be adjusted precisely to the user's eyesight. Once adjusted, distant subjects can usually be observed without frequent refocusing. The nitrogen-filled waterproof body helps prevent internal fogging, while the rubber armour provides a secure grip and additional protection against impacts.

 

 

 

 

 

 

Who are they for?

 

The Nikon 7x50 Sports + Marine IF WP binoculars are ideal for:

sailing, boating and yachting;
fishing at sea, on lakes or rivers;
professional maritime and harbour operations;
observing coastlines, vessels and navigational objects;
nature and long-distance observation in low light;
users who wear glasses.

 

Main benefits

 

 

• 7x magnification provides a wide and stable view from a moving vessel.
• 50 mm objective lenses collect plenty of light in cloudy or low-light conditions.
• Individual focusing allows each eyepiece to be adjusted separately.
• Waterproof construction withstands immersion to a depth of 2 m for 5 minutes.
• Nitrogen filling helps prevent internal fogging.
• Multilayer-coated lenses and prisms provide a brighter, higher-contrast image.
• Porro prism design produces a natural sense of depth and distance.
• 7.1 mm exit pupil delivers excellent brightness in difficult lighting.
• 131 m field of view at 1000 m makes moving subjects easier to locate and follow.
• Long eye relief provides comfortable viewing for eyeglass wearers.
• Rubber armour improves grip and protects the body against shocks.
• Tripod compatibility using an optional tripod adapter.

 

Comparison with alternatives

 

Compared with 10x or higher-magnification binoculars, the Nikon 7x50 Sports + Marine IF WP provide a steadier image and a wider field of view. This is particularly useful on a moving boat, where high-magnification binoculars can be more difficult to hold steady.

Compared with centre-focus binoculars, the individual focusing system is less convenient when frequently switching between subjects at very different distances. However, it is highly suitable for observing vessels, coastlines and other distant subjects because refocusing is rarely required after both eyepieces have been adjusted.

Compared with compact 7x35 or 8x32 binoculars, this 7x50 model is larger and heavier, but its 50 mm objective lenses provide a significantly brighter image in low-light conditions.

 

 

FAQ

 

Can these binoculars be used in the rain?

Yes. They are waterproof and suitable for use in rain, spray and humid marine environments. According to Nikon, they can withstand immersion to a depth of 2 m for up to 5 minutes.

 

 

Do the binoculars have a compass?

No. This version does not include an integrated compass.

 

 

How are the binoculars focused?

Each eyepiece is focused separately. Look at the selected subject and adjust the left and right eyepieces individually for each eye.

 

 

Are they suitable for eyeglass wearers?

Yes. The high-eyepoint design and 15 mm eye relief provide a clear field of view for users wearing glasses.

 

 

Can they be mounted on a tripod?

Yes. They can be attached to a tripod using an optional tripod adapter.

 

 

Are they suitable for close-range observation?

The minimum focusing distance is approximately 25 m, so these binoculars are primarily designed for medium- and long-distance observation.

 

 

Specifications

Magnification: 7x
Objective lens diameter: 50 mm
Focusing system: individual eyepiece focusing
Prism type: Porro
Real angular field of view: 7.5°
Apparent angular field of view: 49.3°
Field of view at 1000 m: 131 m
Exit pupil: 7.1 mm
Relative brightness: 50.4
Eye relief: 15 mm
Close focusing distance: 25 m
Interpupillary distance adjustment: 59–72 mm
Optical coating: multilayer-coated lenses and prisms
Waterproof performance: up to 2 m for 5 minutes
Fog protection: nitrogen filled
Body covering: rubber armour
Tripod mounting: yes, with an optional adapter
Length: 178 mm
Width: 203 mm
Depth: 70 mm
Weight: 1115 g