The BX-4 Range HD Gen 2 range-finding binoculars are built to perform in the harshest conditions. They’re waterproof, fogproof and feature best-in-class light transmission, resolution, and edge-to-edge HD clarity. When it comes to range-finding binoculars, the choice is clear. The BX-4 Range HD Gen 2 outperforms them all. 
 
POWERFUL & ACCURATE RANGES
Range reflective targets up to 4,000 yds, trees up to 2,000 yds, and deer-sized targets up to 1,300 yds.
 
TRUE DISTANCES AT STEEP ANGLES
TBR/W provides ballistically calculated solutions for rifle hunters at longer distances and steeper angles.
 
INTERCHANGEABLE FORM-FIT EYECUPS
Three different options provide a customized fit that reduces eyestrain to extend your field time.
 
MULTIPLE MAGNIFICATIONS
Available in 10x42 for a wider field of view or 12x50 for long-range observation.
 
PROGRAMMABLE POWER BUTTON
Switch your power and mode buttons to allow for left-handed or right-handed operation.
			
				| 
   
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  | 
			
				Display Type  | 
OLED  | 
			
				Display Color  | 
OLED (Red Display)  | 
			
				Flightpath  | 
No  | 
			
				Trophy Scale  | 
No  | 
			
				Length (in)  | 
5.9  | 
			
				Weight (oz)  | 
37  | 
			
				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)  | 
78  | 
			
				Max Diopter (dpt)  | 
3.5  | 
			
				Exit Pupil (mm)  | 
4.2  | 
			
				Close Focus Distance (ft)  | 
13  | 
			
				Interpupillary Distance Max (mm)  | 
76  | 
			
				Interpupillary Distance Min (mm)  | 
56  | 
			
				Light Transmission Left Channel (%)  | 
82  | 
			
				Light Transmission Right Channel (%)  | 
78  | 
			
				Accuracy to 125 (yd)  | 
0.7  | 
			
				Accuracy to 1000 (yd)  | 
1  | 
			
				Accuracy above 1000 (yd) %  | 
0.2  | 
			
				Battery Life (Actuations)  | 
3000  | 
			
				Max Range - Deer (yd)  | 
1300  | 
			
				Max Range - Trees (yd)  | 
2000  | 
			
				Max Range - Reflective (yd)  | 
4000  | 
			
				Min Range (yd)  | 
12  | 
			
				Laser Classification  | 
Class 1M  |