When speed is paramount, there’s no substitute for a range-finding binocular. The BX-4 Range HD TBR®/W 10x42mm fuses Leupold’s DNA® engine and ballistics software with the optical performance diehard hunters and shooters demand.
This time-saving combo of tech and glass is built around Leuplod’s Elite Optical System. It delivers excellent dawn-to-dusk light transmission for a bright image when it matters most, elite-level glare reduction in harsh light, and the resolution and clarity you can count on in the backcountry. Compare it to other range-finding binoculars in its class, and you’ll see a difference, especially in low light.
But that’s just half of what this optic is all about. Its 10x magnification provides a large field of view for glassing in tight areas while still being powerful enough to make positive IDs from a distance. And when you finally spot your target, one press of the power button will tell you exactly how far to send your rounds. Backed by our Lifetime Optics Guarantee and our Two-Year Electronics Guarantee, the BX-4 Range HD is built for years of performance.
BE MORE EXACT WITH TRUE BALLISTIC RANGE/WIND TECHNOLOGY
Leupold’s True Ballistic Range/Wind (TBR/W) technology takes precision to the next level by offering 25 selectable ballistics groups that account for your preferred cartridge, helping you dial in the exact range of your target.
Using the old rifleman's rule on an angled 600-yard shot could result in a 10-15-inch margin of error when compared to the dead-on accuracy of Leupold’s TBR/W. And with TBR/W’s 10-mph wind holds, you’ll have all the information you need to experience more first-shot hits.
Specifications
Tripod Compatible (1/4-20): Yes
Rifle Angle Compensation: TBR/W
Archery Angle Compensation: Bow Mode
Battery Type: CR2
True Ballistic Range (TBR): No
Horizontal Distance (Trig): No
Archer's Advantage: No
Display Type: Red OLED Display
Flightpath: No
Guard-ion Lens Coating: Yes
Last Target: No
Trophy Scale: No
Length (in): 5.9
Weight (oz): 39
Magnification: 10
Objective Lens Diameter (mm): 42
Linear FOV (ft@1000 yd): 334
Angular FOV (Degrees): 6.2
Eye Relief (mm): 17
Min Diopter (dpt): -3.5
Max Diopter (dpt): 3.5
Close Focus Distance (ft): 13
Interpupillary Distance Max (mm): 76
Interpupillary Distance Min (mm): 56
Light Transmission Left Channel (%): 81
Light Transmission Right Channel (%): 80
Accuracy to 125 (yd): 1
Accuracy to 1000 (yd): 1
Accuracy above 1000 (yd) % : .2
Battery Life (Actuations): 3000
Max Range - Deer (yd): 1100
Max Range - Trees (yd): 1600
Max Range - Reflective (yd): 2600
Min Range (yd): 12
Laser Classification: Class 1M
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