Leupold 182883 BX-4 Range HD TBR/W 10x42mm Range-Finding Binoculars (Shadow Gray)

When speed matters, the Leupold BX-4 Range HD TBR/W 10x42mm delivers. Combining advanced DNA engine technology and TBR/W software with premium optics, it lets you spot and range targets instantly, no gear switching required. A high-contrast red OLED display ensures clear readings in any light, while edge-to-edge clarity makes extended glassing comfortable. Built around the Elite Optical System, it offers excellent dawn-to-dusk light transmission, glare reduction, and sharp resolution, especially in low light. The 10x magnification balances a wide field of view with the power needed for confident long-distance identification.

Elite Optical System

Leupold’s Elite Optical System offers 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 that diehard hunters and shooters demand.

Tripod Ready

A built-in 1/4-20 rotatable tripod adapter port makes it easy to mount to a tripod.

Ergonomic Design

The ergonomic design ensures products are slim, lightweight, and fit well in your hands no matter what size they are.

Over-sized Eyepiece

All-day glassing comfort with increased contact area, and a flexible ergonomic design.

Smooth Focusing

Features an extremely smooth focusing system for fine adjustments.

Field Replaceable Eyecups

Removable twist-up eyecups allow you replace them in the field if damaged.

Line of Sight (LOS) Mode

Line of Sight (LOS) calculates the distance to a target in a straight line, regardless of any incline or decline.

Bow Mode

With its TRIG function, Bow Mode is an excellent *set it and forget it* feature that is simple to use and accurate out to around 70 yards and for angles less than 20 degrees. This function is ideal for Western spot-and-stalk hunters and tree-stand hunters, providing 10-ring target level accuracy.

TBR-W

True Ballistics Range / Wind (TBR/W) technology provides ballistically calculated ranges for extremely accurate shots at longer distances and steeper angles. It can also generate a hold point for a 10-mph wind at a 90-degree angle out to 800 yards.

Waterproof and Fogproof

Leupold pioneered modern waterproof and fogproof technology using advanced internal gasses and sealing methods that withstand extreme temperatures and elevation changes, so the internals of the optics stay moisture free and crystal clear for life.