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# 40051

Leica's 8x56 Geovid HD-B Rangefinder Binocular combines the image quality of a large-objective anti-reflection 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 powerful 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 and caliber. The HD-B is pre-loaded with 12 ABC ballistics curves for various calibers and weights, and alternative ballistics curves can be calculated using an app on the Leica website, downloaded and stored to a user-supplied microSD card and transferred to the binocular. A 4-digit in-view LED display allows the observer to view the calculated ABC values without taking their eyes off the visual scene.

The HD-B model has a nitrogen-filled fogproof magnesium housing as well as fully multicoated 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 AquaDura and high-transmission High Durable (HDC) lens coatings, which repel moisture and prevent dirt from adhering to the glass while reducing reflection to increase image brightness, contrast, and color. 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 and two-button rangefinder operation make the Geovid HD-B a fully-loaded rangefinder for targets up to 2000 yards away.

Optical Performance

  • 8x magnification
  • 56mm objective lens
  • Phase corrected Perger porro prisms
  • P40 phase correction prism coating
  • High Durable Coating (HDC): Abrasion-resistant and transmission-enhancing multicoating
  • Hydrophobic Aqua-Dura coating on external lenses helps to keep dirt and water off lenses for clearer views and easier cleaning
  • 355' field of view at 1000 yd
  • 54° apparent angle of view


  • Integrated Advanced Ballistic Compensation (ABC)
  • Laser: Invisible eye-safe Class 1 IR
  • Range: 11-2000 yd (10-1825m)
  • Accuracy:
    • Approx. ±1m/y up to 500m/yds
    • Approx. ± 2m/yds up to 1000m/yds
    • Approx. ±0.5% over 1000m/1000yds
  • Beam divergence: Approx. 1.5x0.5mrad
  • Display: In-view LED
  • Unit of measure: Yards/inches or meters/centimeters
  • Maximum measurement duration 0.9m seconds
  • Modes: Scan and single measurement
  • Battery: CR2, 3V lithium button cell

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 calculated from Leica website, stored and uploaded to binocular via user-supplied 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

  • Open dual-bridge configuration
  • Knurled center focus wheel
  • ±4 dioptric correction
  • Interpupilary distance: 60-74mm
  • 4-position click-stop twist-up eyecups
  • Long 18mm eye relief
  • 7mm exit pupil

Construction Details

  • Die cast magnesium chassis
  • Non-slip rubber armoring
  • Waterproof and submersible to 16' (5m)
  • Operating temperatures:
    • Electrical: -4 to 131°F (-20 to 55°C
    • Mechanical: -22 to 131°F (-30 to 55°C
    • Storage temperature -40 to 185°F (-40 to 85°C)
    • Weight: 2.7 lb, with battery