Nikon Aculon A211 16x50

• 16x magnification for long-distance detail: The higher fixed magnification helps bring distant subjects closer, which is especially useful for open-country observation, shoreline scanning and casual astronomy where extra reach matters more than compact size.
• 50 mm objectives for brighter viewing: Large front lenses gather more light than smaller general-purpose binoculars, helping the image stay more usable in fading light and making stars, wildlife and distant landscape features easier to pick out.
• Porro-prism optical design: The classic Porro layout gives the Nikon Aculon A211 a strong sense of depth and a broad, immersive image, while also supporting good optical efficiency for a full-size binocular.
• Fully multicoated optics: Multicoated lenses improve light transmission and reduce distracting reflections, which helps preserve contrast and a cleaner image when viewing in mixed light or against bright backgrounds.
• Waterproof and fogproof construction: A nitrogen-filled housing resists internal fogging and stands up better to rain, damp air and temperature changes, making the binocular more dependable for outdoor use across the seasons.

About the Nikon Aculon A211 Series

Nikon introduced the ACULON A211 series in 2013 as its standard Porro-prism binocular series, aimed at users who want a traditional full-size binocular with straightforward handling and solid optical performance for general outdoor observation. The range covers both fixed-magnification and zoom models, giving the series broad appeal across nature watching, hiking and casual long-distance viewing.

Within the lineup, the non-zoom models stand out for their aspherical eyepiece lenses and turn-and-slide rubber eyecups. In practical use, that means a more comfortable viewing position and better control of edge distortion than is often expected from entry-level Porro binoculars. Across the series, Nikon pairs the Porro-prism system with multilayer-coated lenses to support good brightness and contrast, while the rubber-armoured exterior helps the binoculars feel secure in the hand and better protected during regular field use.

The result is a family of binoculars built around familiar ergonomics, generous objective sizes and uncomplicated operation. In the Nikon sport optics range, the ACULON A211 series sits as a practical choice for users who value image scale, depth perception and traditional binocular handling over the slimmer shape of roof-prism designs.

About the Nikon Aculon A211 16x50

The Nikon Aculon A211 16x50 is configured for users who need more reach than a typical all-round binocular. Its 16x magnification makes it well suited to long-distance observation from fixed positions, whether that means scanning hillsides, watching activity across open water or using it as an accessible astronomy binocular for bright lunar and celestial viewing. The trade-off for that extra reach is that it benefits most from steadier use than lower-power models, but the reward is noticeably greater image scale on distant subjects.

The 50.00 mm objective lenses give this model the light-gathering ability expected from a full-size binocular, while the Porro prism design helps maintain a spacious, natural image with good visual depth. Nikon’s Fully Multicoated optics support contrast and reduce flare, which is important when observing in variable daylight or toward brighter horizons. A 73.15 m/1000m field of view is sensible for a 16x binocular, balancing target acquisition with the detail advantage of higher magnification.

In handling terms, the binocular uses a central focusing system for quick general adjustment, with diopter correction on the right eye-piece to fine-tune the view to the user’s eyesight. The 12.60 mm eye relief is workable for many users, while the 3.13 mm exit pupil reflects the model’s emphasis on magnified detail rather than maximum low-light ease. A nitrogen-filled, waterproof and fogproof body adds practical durability for outdoor use, and at 925.00 g it has the substantial feel typical of a full-size Porro binocular built for observation rather than pocket portability.

About Nikon

Nikon was established in Tokyo on July 25, 1917, originally as Nippon Kogaku K.K., and it remains headquartered in Tokyo, Japan. The company adopted the name Nikon Corporation on April 1, 1988. Across its wider business, Nikon works in imaging products, precision equipment, healthcare, industry, components and digital manufacturing, reflecting a long background in precision optical engineering.

In sport optics, Nikon’s range includes binoculars, fieldscopes and laser rangefinders, with binocular families such as MONARCH, PROSTAFF, EDG, ACULON and High Grade. That broad lineup shows Nikon’s experience across both general outdoor observation and more specialized optical use. For binoculars in particular, Nikon is well known for using multilayer-coated lenses to improve light transmission, a practical technology that supports brighter, clearer viewing in the field.

Main Features

• Product type: Binoculars
• Series: Nikon Aculon A211
• Made in: China
• Prism type: Porro
• Magnification: 16.00 x
• Objective lens diameter: 50.00 mm
• Lens coating: Fully Multicoated
• Field of view: 73.15 m/1000m
• Field of view (angular): 4.18 °
• Apparent field of view: 60.80 °
• Exit pupil: 3.13 mm
• Eye relief: 12.60 mm
• Close focus: 9.00 m
• Focusing system: Central
• Diopter setting position: Right eye-piece
• Interpupillary distance: 56.00 mm - 72.00 mm
• Body type: Single hinge
• Nitrogen filled: Yes
• Waterproof: Yes
• Fogproof: Yes
• Length: 179.00 mm
• Width: 197.00 mm
• Height: 68.00 mm
• Weight: 925.00 g
• Color: Black

Warranty

5 years. The Nikon Aculon A211 16x50 is covered by a five-year warranty.