Leupold® BX®-1 McKenzie™ HD 8x42mm Binoculars


SKU: LEU181172 Categories: ,

If you prefer a wider field of view to more magnification, then the BX®-1 McKenzie™ HD 8x42mm binocular should be on your list. It delivers HD performance to make sure no subtle movement goes unnoticed and is compact enough to take anywhere.

Designed around Leupold’s Advanced Optical System, it offers tried and true light transmission for extended glassing sessions, best in class glare reduction in harsh light, and the resolution and clarity that recreational sportsmen and sportswomen demand.

It comes with Pro Gear® accessories, too: including a GO Afield™ shoulder strap, binocular case, lens covers, and lens cloth. And like all Leupold® binoculars, it’s fogproof, waterproof, and guaranteed to perform for life.


  • High-Definition Clarity
    • Scratch and smudge resistant lens coatings
    • High-definition, calcium-fluoride lenses ensure incredible clarity at all magnification levels.
  • Lightweight & Confortable
    • Ergonomic open bridge design
  • Easy to Clean
    • Field replaceable eyecups
  • Tripod Ready
    • A built-in 1/4-20 rotateable tripod adapter port makes it easy to mount to a tripod.
  • Advanced Optical System
    • Offers tried and true light transmission for extended glassing sessions, best in class glare reduction in harsh light, and the resolution and clarity that recreational sportsmen and sportswomen demand
  • Extreme Climate Exposure
    • We make sure our optics perform at the highest level in the harshest conditions by ensuring they will survive from -40 degrees Fahrenheit all the way up to 160 degrees Fahrenheit
  • Waterproof + Fogproof
    • From torrential downpours to crossing rivers, you’ll never have to worry about a Leupold binocular leaking or foggin up
    • Our proprietary gas blend and seals are tested to a 33-foot depth and a multitude of pressure changes.
  • Guaranteed for Life
    • Built for a lifetime of performance – if at any time your binocular doesn’t perform, we will repair or replace it
  • Field Replaceable Eyecups
    • Removable twist-up eyecups allow you replace them in the field if damaged.
  • Twist Up Eyecups
    • Features twist-up eyecups and generous eye relief for comfortable extended viewing.
  • Smooth Central Focusing Dial
    • Large, tactile focus dial is easy to find and use, even with gloved hands, which gives you the precision focus you need to pick antlers out of the trees or hide out of the brush.
  • Abbe-Koenig Prism
    • Maximizes light transmission, clarity, and resolution at extended ranges.


Image Clarity:

Light Management System Advanced Optical System Prism BAK4 Abbe-Koenig Roof
Lens Coating Standard Eye Relief (mm) 17
Twilight Factor ~18.3 Exit Pupil (mm) 5.2
Close Focus Distance (ft; m) 9.8; 2.98704 Diopter Type Right Barrel Adjustment Ring
Diopter Range Standard Reticle None
Reticle Focal Plane N/A

Image Parameters:

Magnificaton 8x Objective Lens (mm) 42
Field of View (ft @ 1000 yds; m @ 1000 m; Degrees) 320; 107; 6.1


Focus Knob Location Center Locking Eyecups No
Bino Strap/Harness Loops Synthetic Molded to Body Integrated Eyepiece Caps No
Integrated Objective Caps Yes; Removable Tripod Adapter Compatible Yes (Adapter Sold Separately)


Min Interpupillary Distance (mm) 56 Max Interpupillary Distance (mm) 74
Default Length (in; cm) 5.6; 14.9 Min Length (in; cm) 5.6; 14.986
Max Length (in; cm) ~6.3; 16 Default Width (in; cm) ~5.1; 13
Min Width (in; cm) ~4.3; 11 Max Width (in; cm) ~5.1; 13
Default Height (in) ~1.8; 4.5 Min Height (in; cm) ~1.8; 4.5
Max Height (in; cm) ~2.3; 6 Weight (oz; kg) 22; 0.623
Waterproof Yes Fogproof Yes
Shockproof No

Additional Information:

The BX® -1 McKenzie ® HD reveals more details than other binoculars in its class.  The BX-1 McKenzie HD delivers class-leading low-light performance with our Advanced Optical System, which delivers the light transmission, glare reduction, and resolution all recreational sportsmen and sportswomen demand Its lightweight, compact design is waterproof and purpose-built to handle the harshest conditions And like all Leupold ® binoculars, it’s covered by the Leupold 30-year guarantee.

Part Number 181172
Distributor Part Number 100-181172


Manufacturers, importers, suppliers, and distributors may make changes to their products without fanfare. Such changes can lead to discrepancies between the advertised product and the actual product in inventory. While International Shooting Supplies Ltd. endeavors to correctly describe the actual product in inventory, we will not be responsible for unintentional inaccuracies in text and images of the advertised product.



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