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Nikon Black Range X 4K Rangefinder (16557)(NIK-RF-001)

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The Nikon® Black Range X 4K Rangefinder has an effective range from 10–4,000 yards and a magnification of 6x to satisfy your long-range shooting needs. Hyper Read Technology allows you to quickly range small targets in the distance with a 0.3 seconds response. Nikon's ID (Incline/Decline) Technology provides the horizontal distance to the target no matter how steep the terrain. Tru-Target Technology allows you to switch between Distant Target Priority mode and First Target Priority mode depending on subject conditions. Distant Target Priority mode is useful in heavily wooded areas where the target may be partly obscured by bushes and undergrowth. First Target Priority mode measures the distance of the closest subject when there's an overlapping background. The Nikon Black Range X 4K Rangefinder operates with a variable intensity, red, OLED display that provides either automatic or five selectable brightness levels. Waterproof/fog-proof. Powered by 1 CR2 lithium battery (included).
Manufacturer model #: 16557



  • Monarch Black 4k
  • Magnification: 6x
  • Objective Lens Diameter: 21 mm
  • Exit pupil diameter (mm): 3.5
  • Eye relief (mm): 18.3
  • Field of view (degrees): 7.5
  • Length approx. (in): 4.3
  • Width approx. (in): 1.6
  • Height approx. (in): 2.9
  • Weight approx. (oz / g): 6.3 / 178
  • Measurement Range: 10 – 4,000 yd