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McJ Optics

McJ Optics LOS4000 6x Laser Rangefinder – 4000M Max, ±85° Angle & SCAN Mode

McJ Optics LOS4000 6x Laser Rangefinder – 4000M Max, ±85° Angle & SCAN Mode

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McJ Optics LOS4000 Laser Rangefinder is built for professionals who demand maximum range, speed, and measurement accuracy in the field. With an impressive range capability up to 4000 meters, the LOS4000 is engineered to perform in rugged hunting, surveying, and tactical applications.

This rangefinder features 6x magnification, high-quality multi-coated optics, and integrated angle, scan, vertical, and horizontal distance modes for ultimate versatility. Housed in a compact, weather-resistant body, it's powered by a long-lasting CR2 lithium battery.

Key Features:

  • Ultra-long range: Measures targets from 5 to 4000 meters
  • ±85° inclinometer with ±2° accuracy
  • 6x magnification with 17mm eye relief
  • Fast targeting with response time of 0.3 to 0.5 seconds
  • Multi-coated lenses for improved clarity
  • LCD display and SCAN mode for continuous tracking
  • IPX4 waterproof rating – durable for field use

Technical Specifications:

Model MCJ LOS4000
Magnification 6x
Objective Diameter 23mm
Eye Relief 17mm
Field of View
Diopter Focus ±3 dpt
Range 5–4000M / 4000YDS
Measuring Accuracy ±1m (≤100m), ±1.5m (100–200m), ±2m (200–600m), ±0.3% (>600m)
Resolution ±0.1m
Response Time 0.3–0.5 sec
Inclinometer Range ±85°
Display LCD
Battery Type CR2 Lithium (Panasonic)
Battery Life Up to 6000 uses
Waterproof Rating IPX4
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