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# 40047

The 8x42 Geovid HD-B Rangefinder Binocular from Leica fuses the image quality of a fully multicoated optical path with the functionality of a 2000-yard laser rangefinder and integrated ballistics computer. Using an array of built-in sensors, this electro-optic measures the ambient atmospheric conditions as well as the shooter's angle relative to the target. By compiling data from the laser rangefinder and environmental sensors, the ballistics computer will calculate several values that can help improve shot placement.

Leica's Advanced Ballistic Compensation (ABC) technology combines temperature and air pressure readings with rangefinder data, zeroing distance, and user-defined ballistics curve to calculate ballistic compensation values. To maximize the accuracy of compensation values, the Geovid HD-B allows the shooter to input their rifle's zero distance and select a ballistics curve corresponding to the chambered round. The HD-B is pre-loaded with 12 ABC ballistics curves for various calibers and weights, and alternative ballistics curves can be stored and uploaded using the included microSD card. An in-view LED display allows the observer to view the calculated ABC values without taking their eyes off the visual scene.

Like other Geovid series binoculars, the HD-B model has a nitrogen-filled fogproof housing as well as fully multicoated fluoride glass lenses that transmit luminous and color faithful images. Leica's phase-corrected Perger Porro prism design merges the benefits of roof and Porro designs, delivering a streamlined form factor without sacrificing depth of field or color fidelity. Exposed lens surfaces are finished with Leica's proprietary High Durable (HDC) and AquaDura lens coatings, which repel moisture and prevent dirt from adhering to the glass. These features add up to a multi-purpose handheld optic that is built for unforgiving weather conditions and low light performance.

In addition to the broad functionality and premium image quality, the Geovid HD-B includes a range of features that provide ergonomic handling and user-friendly interaction. The dual-bridge configuration and rear-located center focus wheel balance the housing and even help to stabilize this binocular in the observer's hands. This optic is also equipped with a long 18mm eye relief and click-stop eyecups that twist up to create a comfortable viewing distance for almost any observer. The auto-adjusting display brightness, two-button rangefinder operation, and included microSD memory card make the Geovid HD-B a fully-loaded rangefinder for targets up to 2000 yards away. 

Optical Performance

  • 8x magnification, 42mm objectives
  • Fully multicoated optics, fluoride glass elements
  • Perger Porro prism design, P40 phase-corrective coating
  • 7° angle of view, 56° apparent viewing angle
  • 16.5 ft (5m) close focusing distance
  • 18mm eye relief, 5.2mm exit pupil
  • ±4 diopter correction range

Laser Rangefinder

  • Range: 10 to 2000 yd (9 to 1825m)
  • Accuracy (550 yd or less): ±1 yd (1m)
  • Accuracy (550-1100 yd): ±2 yd (2m)
  • Accuracy (1100 yd or more): ±10 yd (10m)
  • Scan mode for continuous measurement
  • Class 1 eye-safe infrared laser
  • 2.7x1.0 MRAD beam divergence
  • Displays range in yards or meters

Advanced Ballistic Compensation

  • Equivalent Horizontal Range mode calculates horizontal distance to target
  • Point of Aim mode displays the holdover compensation in centimeters
  • Impact Point Correction mode calculates elevation adjustment in MOA / MRAD clicks
  • Inclinometer measures the shooter's angle of inclination relative to the target
  • Barometer and thermometer measure ambient atmospheric conditions
  • Zeroing distance is programmable in 100 yd / m increments
  • 12 pre-loaded ballistics curves corresponding to load caliber, type, weight
  • Alternative ballistics curves can be stored and uploaded using the microSD card
  • ABC values are derived from the set zeroing distance and ballistics curve, atmospheric readings, target's angle of inclination and measured distance

Use and Handling

  • Twist-up rubber eyecups with five detented positions
  • Four-digit LED overlay with auto-brightness adjustment
  • Center focus wheel with non-slip gripping ridges

Construction Details

  • Nitrogen-filled fogproof / waterproof housing
  • Submersible to 16.5 ft (5m) depth
  • -4 to 131°F (-20 to 55°C) operating temperature of electronics
  • -22 to 131°F (-30 to 55°C) operating temperature of optics
  • Magnesium housing with rubber armored exterior
  • Ergonomically-balanced dual-bridge design
  • AquaDura hydrophobic coating / HDC scratch-resistant coating on exposed lenses
  • 34.5 oz (980g) weight with battery