Leupold BX-4 Pro Guide HD Gen 2 10×42 Binoculars

Description

The Leupold BX-4 Pro Guide HD Gen 2 10×42 binoculars are premium, lightweight backcountry optics built for hunters, wildlife observers, and shooters who demand exceptional clarity, durability, and comfort. With high-definition calcium-fluoride lenses, Leupold’s Elite Optical System, Guard-Ion hydrophobic coating, and an open-bridge magnesium chassis, these 10×42 binoculars deliver bright, sharp images from dawn to dusk—plus a built-in tripod adapter for extended glassing sessions.

This is Leupold’s upgraded best-seller: better lens coatings, improved light transmission, and interchangeable eyecups for all-day comfort in the field.

What Makes the BX-4 Pro Guide HD Gen 2 Special

• Elite Optical System: Leupold’s premium optical design maximizes light transmission for bright, clear images in low-light conditions (dawn, dusk, heavy canopy). Elite-level glare reduction handles harsh midday sun and bright reflections off water, snow, or rocks.

• High-Definition Calcium-Fluoride Lenses: HD glass ensures incredible clarity and color fidelity at all magnification levels. Minimal chromatic aberration (color fringing) for sharp, true-to-life images.

• Guard-Ion Hydrophobic Lens Coating: Sheds water, dirt, and oils for a maintenance-free, clear view. No more wiping lenses in the field—rain, snow, and mud bead off instantly.

• Fully Multi-Coated Lens System: Every air-to-glass surface is multi-coated for maximum brightness, contrast, and color fidelity. No light loss, no internal reflections.

• Diamond Coat 2 Exterior Lens Coating: Ion-assist abrasion-resistant coating on exterior lenses. Highest level of scratch resistance Leupold offers—critical for rough backcountry use. Also improves light transmission for greater brightness and clarity.

• Phase-Coated Roof Prisms: Significantly increase resolution and sharpness from edge-to-edge of the visual field. No soft corners, no blur—just crisp detail across the entire image.

• Open-Bridge Roof Prism Design: Lightweight, ergonomic magnesium chassis with open-bridge construction. Easy one-handed focus wheel access. Balanced, comfortable grip for extended glassing.

• Interchangeable Form-Fit Eyecups: Multiple eyecup options included to fit different face shapes and eye positions. Keep your eyes fresh through hours of hillside glassing. Twist-up design with multiple click stops.

• Built-In 1/4-20 Tripod Adapter Port: Mount directly to a tripod or binocular harness for rock-steady viewing. No adapter needed—threaded port built into the chassis.

• Waterproof & Fogproof: O-ring sealed and nitrogen-purged for 100% waterproof, fogproof performance. Submersible, shockproof, and built for harsh conditions.

• Made in USA: Leupold designs and manufactures optics in Beaverton, Oregon. Backed by Leupold’s lifetime warranty.

Specifications

• Magnification: 10x

• Objective Lens Diameter: 42mm

• Exit Pupil: 4.2mm

• Eye Relief: 17mm (generous for eyeglass wearers)

• Field of View: 314 ft @ 1,000 yd (6° angular)

• Close Focus Distance: 9.3 ft

• Interpupillary Distance: 56–74mm (adjustable)

• Weight: 25 oz (1.56 lbs)

• Chassis Material: Magnesium alloy (lightweight, durable)

• Prism Type: Roof prism (phase-coated)

• Lens Coatings: Fully multi-coated, Diamond Coat 2, Guard-Ion hydrophobic

• Eyecups: Interchangeable Form-Fit twist-up eyecups (multiple positions)

• Tripod Adapter: Built-in 1/4-20 threaded port

• Waterproof: Yes (O-ring sealed, submersible)

• Fogproof: Yes (nitrogen-purged)

• Style Number: 184761

• Model Number: 30317

• Warranty: Leupold lifetime warranty (repair or replacement for defects)

Ideal For

• Big Game Hunting: Elk, deer, moose, sheep—10x magnification for spotting at distance, 42mm objective for low-light glassing.

• Backcountry Hunting: Lightweight (25 oz), compact, durable magnesium chassis. Built for rough terrain and harsh weather.

• Wildlife Viewing: Birds, bears, wolves, eagles—HD glass for incredible detail and color fidelity.

• Birding: Close focus (9.3 ft) for nearby birds, wide field of view (314 ft @ 1,000 yd) for tracking flight.

• Extended Glassing Sessions: Interchangeable eyecups, tripod adapter, and ergonomic design for all-day comfort.

• Low-Light Use: Elite Optical System maximizes dawn/dusk light transmission. Critical for hunting legal shooting hours.

• Harsh Conditions: Waterproof, fogproof, shockproof, Diamond Coat 2 abrasion resistance. Built for rain, snow, mud, and rocks.

• Eyeglass Wearers: 17mm eye relief accommodates glasses without vignetting.

What’s Included

• (1) Leupold BX-4 Pro Guide HD Gen 2 10×42 Binoculars

• (1) Set of Interchangeable Form-Fit Eyecups

• (1) Carry Case

• (1) Neck Strap

• (1) Lens Cloth

• (1) Owner’s Manual

• Original Packaging

Leupold Quality

Since 1907, Leupold has been the gold standard for American-made optics. Hunters, shooters, and military professionals trust Leupold for durability, clarity, and reliability in the harshest conditions.

Why Leupold binoculars matter:

• American-Made: Designed and manufactured in Beaverton, Oregon.

• Lifetime Warranty: No questions asked, no registration required.

• Proven Durability: Waterproof, fogproof, shockproof construction.

• Premium Glass: HD calcium-fluoride lenses, fully multi-coated, phase-coated prisms.

• Innovation: Guard-Ion hydrophobic coating, Diamond Coat 2 abrasion resistance, Elite Optical System.

Important Notes

• Tripod Not Included: Built-in 1/4-20 adapter works with standard photo tripods or binocular mounting arms (sold separately).

• Binocular Harness Recommended: For extended glassing, a binocular harness (like the Bino Bungee or Vortex GlassPak) reduces neck strain and keeps optics accessible.

• Lens Care: Guard-Ion coating sheds dirt and water, but use the included lens cloth for stubborn smudges. Avoid wiping dry lenses—blow off debris first.

• 10x vs 8x: 10x magnification offers more detail at distance but narrower field of view and more hand shake. Consider 8×42 if you prioritize wide field of view and stability.

• Weight: 25 oz is lightweight for 10×42 HD binoculars, but a harness or tripod is recommended for extended glassing sessions.