Nikon Prostaff 3s 10×42 Binoculars

Product Specifications:

Model Name: Prostaff 3s

Product Dimension: 5.9 x 5.1 x 2 inches

Brand: Nikon

Color: Black

Material: Plastic

Eye Relief: 15.7 Millimeters

Exit Pupil: 4.2 Millimeters

Close focusing distance: 3/9.8

Angular Field of View (Real/degree): 7.0

Relative Brightness: 17.4

Field of View at 1000 yd. (ft.): 367

Minimum Focus: 9.8 ft

Nikon Prostaff 3s Binocular

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Product Details

Nikon Prostaff 3s is a great option for pro birdwatchers or hunters looking to enhance their skills and obtain clearer sights. Either in terms of bringing clarity in the image or brightness, Nikon seems just impossible to beat.

It’s a great bang for the buck with great quality, color rendition, and light transmittance.

This model of Nikon binocular has 42mm objective lenses and a large field of view for higher resolution observation of distant objects.

They are watertight and purged internally to prevent moisture from entering and clouding over the lenses. With a high-reflectivity prism coating and extended eye relief scope, Prostaff accommodates its users to watch the entire field of view without taking off the glasses.

It avoids the distorted and hazy image with a black ring around the field of view that arises from the inaccurate eye relief distance. The rubber armor is icing on Prostaff as it provides a tight grip and resistance to electrical damage.

It’s hard to find a flaw with Nikon Prostaff 3s, whether it be the incredible performance, quality material, or sturdy construction. These binoculars have an ergonomic design of a large size that offers a steady view for wildlife viewing and birding.

Its 367 feet FOV accommodates both eyeglasses wearer and non-wearers by providing a

Moreover, these binoculars have been thoughtfully designed with durable lens coating and high-quality optics that last longer.


  • High quality with great value
  • O-ring sealed for complete waterproof performance
  • Bright and clear optics
  • Wider field of view to scan a wide area
  • High-eyepoint design for long eye relief


  • Vision is slightly blurry

Key Features:

1. Multi-layer coated lens

Nikon Prostaff 3s has an impressive multi-layer coating on its lens for a more realistic view with sheer details. Its 42mm objective lenses accumulate light from the taster to provide a magnified and accurate image. For their high reflection properties, the prism of Nikon is coated with a silver alloy that serves as a mirror. It ensures to offer sharper color and crisper image by reducing the emissivity.

2. Turn-and-slide rubber eyecups

Another imperial feature of Nikon Prostaff 3s is the turn-and-slide rubber eyecups, which lets you set the eyepieces of maximum relief. It provides the freedom to adjust the eye relief for a full field of view and greater comfort for an extended period of use.

3. Interpupillary distance adjustment

Prostaff 3s Binocular from Nikon allows its users to adjust interocular lenses interpupillary distance to observe the image without any difficulties. It results in better image quality with reduced eyestrain. As per their convenience, users can adjust the length of two ocular lenses between 56 and 72mm by sliding them closer and farther.

4. Long eye relief design undoubtedly

Nikon Prostaff 3s Binocular has a slim and stylish design with matt black color. The line pattern on the body of this binocular gives it an excellent and swanky look, which no one can pass over. It provides a longer eye relief for those who regularly use eyeglasses and

The available 15.7mm eye relief provides users enough space for recoil and ensures safety. It also helps the users to without

Users have to be extra careful while shooting upward as the eye relief automatically shortens then. Prostaff also provides a larger field of view to capture distant objects or spot animals that plain sight can never catch. Its 7.0-degree angular field of view enables users to enjoy a wide-angle view without moving their binoculars around.

5. Quality construction

Built from lead-and-arsenic-free eco-glass, Nikon Prostaff 3s surely does stands out in the quality. It’s generously light with a tough and weatherproof frame that stops the water from getting through the housing. The bino’s shock-resistant rubber armor is equally impressive as it prevents dents and scrapes.

Nikon Prostaff body has been made with a fiberglass-reinforced polycarbonate resin for higher durability and increased strength. Its eco-glass lens has multi-layer coatings for more image clarity and sharpness.

6. Field of View

Nikon Prostaff 3s Binoculars have a large field of view to see the object clearly without shaking or stirring the binocular. The 367 ft FOV of Nikon at 1000 yards makes it easy to scan large areas at an exponential rate.

Its highly reflective silver alloy coating also gives an additional verve, ensuring that the users get a clear and bright image. Nikon Prostaff has a 10x magnification for users to zoom on the target that is at a far distance.

The binocular makes it extremely convenient and easy for users to capture the precise image by covering a wider section of the landscapes. This feature really helps in wildlife viewing and bird watching as they move so fast that it’s unable to spot them in plain sight.


Nikon Prostaff 3s Binocular is a great companion to have while on a venture to wildlife viewing or scanning deep-sky objects. It’s tough, well-designed, and affordable, with high-end materials that ensure the longevity of the equipment.

Prostaff offers lots of incredible features to its users, including long eye relief, rubber-coated armor, turn-and-slide eyecups. It also provides a wide field of view to its users for scanning distant targets and take pan-focus shots.

Nikon Prostaff 3s has impressive optics with higher magnification and reflectivity to focus on the target. Being fog-proof and waterproof makes it even more likable as users can put them in force even during the harshest weather conditions.

The multi-coated lens of Prostaff acts as a fence to keep away the dirt, moisture, and impurities from ruining the picture performance of the binocular. It visually delights users by managing to get sharp and crisper images.

For the cost of approx US$137, users get an impressive service, more than what they expect. Nikon Prostaff 3s really makes a perfect piece of gear to use in cold weather as they are fog-proof. The ocular lenses of this binocular also collect sufficient light to perform in poor lighting.

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