Nikon RPK 10X50 ACULON A211** Binoculars
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Key Features:
- 10x magnification for detailed viewing
- 50 mm lenses for brighter images
- Porro prism design with BAK4 prisms
- Multicoated optics for higher contrast
- Comfortable viewing with twist-up eyecups
- Rubber-armoured grip for secure handling
Nikon RPK 10X50 ACULON A211** Binoculars are designed for users who need strong magnification, generous light transmission, and a comfortable viewing experience for wildlife, hunting, and general outdoor observation. With 10x magnification and 50 mm objective lenses, they provide detailed views of distant subjects while helping maintain brightness in low light conditions such as dawn, dusk, or shaded bushland.
The Nikon RPK 10X50 ACULON A211** Binoculars use a traditional Porro prism optical system with BAK4 prisms and aspherical eyepiece lenses to help deliver sharp images, improved depth perception, and reduced edge distortion. Multicoated optics support higher contrast and accurate colour reproduction, while the 6.5¡ actual angle of view gives a wide, comfortable image. The field of view is 103.9 m at 1,000 m.
Built for practical everyday use, the binoculars feature a large centre focus wheel, right-eye diopter adjustment, and an interpupillary adjustment range of 56Ð72 mm. Twist-up click-stop rubber eyecups and 11.8 mm eye relief help make viewing more comfortable, including during longer sessions or when wearing eyewear. The 5 mm exit pupil is well suited to low-light observing.
The housing has protective rubber armouring and sculpted grips for a secure hold, even in cold conditions. Eco-Glass elements are environmentally friendly and made without lead or arsenic. For steadier viewing, the binoculars can be tripod mounted with an optional adapter. Included accessories comprise a tethered ocular rainguard and objective lens caps that clip to the neck strap.
- Magnification: 10x
- Objective lens diameter: 50 mm
- Prism type: Porro
- Angle of view: 6.5¡ (actual)
- Field of view: 103.9 m at 1,000 m
- Minimum focus distance: 7 m
- Exit pupil diameter: 5 mm
- Eye relief: 11.8 mm
- Interpupillary adjustment: 56Ð72 mm
- Focus type: Centre
- Dimensions: 19.7 x 17.9 cm
- Weight: 899 g
For a dependable long-range viewing option, Nikon RPK 10X50 ACULON A211** Binoculars combine straightforward handling with the optical features needed for clear, detailed observation in changing light.
| Prism Type | Porro |
| Magnification | 10x |
| Objective Lens Diameter | 50 mm |
| Angle of View | 6.5¡ (Actual) |
| Field of View | 341' @ 1000 yd / 113.2 m @ 1000 m |
| Minimum Focus Distance | 23' / 7 m |
| Exit Pupil Diameter | 5 mm |
| Eye Relief | 11.8 mm |
| Interpupillary Adjustment | 56 to 72 mm / 2.2 to 2.8" |
| Diopter Adjustment | Yes |
| Focus Type | Center |
| Dimensions | 7.8 x 7" / 19.7 x 17.9 cm |
| Weight | 31.7 oz / 899 g |