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LN-BN842-LRF Luna Optics 8x42 Laser Rangefinding Binoculars



Ranges distances from 20 to 2800m

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Luna Optics 8x42 Laser Rangefinding Binoculars LN-BN842-LRF

LUNA OPTICS is introducing one of the most compact full-size laser rangefinder binoculars on the market. Featuring long range measurement system (up to 2800m on reflective targets, up to 1600m on non-reflective targets) and lightning-quick response time (as fast as 0.5 seconds) these binoculars benefit from unique range-finding system allowing for compact overall dimensions that are very similar to a normal 8x42 type
roof prism binocular.

The binoculars offer its users superb optical quality with standard BAK-4 (Barium Crown Glass) prisms with phase correction offer images free of distortion and aberration, while fully multicoated lenses provide excellent light transmission and coupled with large eyepieces contribute to super comfortable viewing during any daylight conditions and even during the hours of dusk and dawn.

All external and internal air-to-glass surfaces are multicoated with Magnesium Fluoride, MgF2 (Broadband Anti-Reflective coating), Titanium Dioxide, TiO2 (Self-Cleaning coating), as well as Hydrogen (H4) and a revolutionary Spray On Glass Silicon Dioxide coating, Sio2, which seals the lens surfaces from a variety of damaging effects caused by water, UV rays, dirt and even bacterial infections.

Twist-up eyecups with multiple positions and a long eye-relief allow eyeglass and sunglass wearers to view comfortably as well and individual focusing system in each eye allows for instant object focusing beyond 100m – great for quick target acquisition and accurate distance reading. Objective lens covers are conveniently and securely attached to the binocular's body.

  • 8X42 Laser rangefinding binoculars
  • Instant object focus beyond 100M
  • Lightning-quick distance reading (as fast as 0.5 sec!)
  • Distance measured in meters and yards
  • Fully multicoated optics with revolutionary "spray-on-glass" liquid silicon layer
  • Standard BAK-4 prisms with phase correction coating
  • Fully waterproof and fogproof
  • Built-in tripod mount


Image Magnification: 8x
Objective Lens Diameter: 42mm
Prism System: Roof
Prism Type: BAK-4
Focusing System: Individual Eyepiece
Min. Focusing Distance: 10m (11yds)
Lens Coating: Multi-layered / Fully Multicoated
Coating Type: H4; MgF2; TiO2; Sio2
Prism Correction Coating: Yes
Field of View: 105m/1000m (340ft/1000yds)
Exit Pupil: 5.25mm
Relative Brightness: 27.6
Twilight Factor: 18.3
Eye Relief: 19mm
Diopter Adjustment: +/-8 Each eye-piece
Eyecup: Twist-up
Waterproof: Yes
Fogproof: Yes
Tripod Adapter: Yes
Power Supply: 1X3v Lithium Batt. CR2-TYPE
Dimensions: 165mm X 114mm X 61mm (6.5" X 4.5" X 2.4")
Weight: 998g (2.2lbs) W/BATTERY

Rangefinder Specifications

Reflective Targets: 20-2800m (22-2953yds)
Non-Reflective Targets (light colors): 20-1600m (22-1750yds)
Non-Reflective Targets (dark colors): 20-1000m (22-1094yds)
Non-Reflective Targets (animal size): 20-500m (22-547yds)
Error Tolerance: /- 1m to 5m (distance dependent)
Response Time (20-900m): 0.5sec
Response Time (greater than 900m): 1-2sec (distance/object size dependent)
Indicating Time: 15sec
Automatic Shut-off Time: 30sec
Indicator Color: Red


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LN-BN842-LRF Luna Optics 8x42 Laser Rangefinding Binoculars

LN-BN842-LRF Luna Optics 8x42 Laser Rangefinding Binoculars

Ranges distances from 20 to 2800m

Write a review