Description
Discover the cutting-edge clarity with the Leupold BX-4 Pro Guide HD 8x32mm Binoculars (172658), your indispensable companion for any outdoor adventure, be it hunting expeditions or bird-watching escapades. Precision-engineered for peak performance, these binoculars deliver remarkable brightness and razor-sharp details even in the low light of dawn and dusk—times crucial for any game-spotter or nature enthusiast.
The BX-4 Pro Guide HD boasts innovations designed to reduce glare and enhance color contrast, allowing you to discern more detail and movement in the wild. With their shadow gray finish, they blend seamlessly into natural environments, preventing unwanted reflections. The central focus dial and ergonomic grip mean you're always ready for a quick, clear view. Plus, the rugged, waterproof and fog-proof construction ensures these binoculars stand up to any weather conditions you encounter.
With the Twilight Max HD Light Management System, this model furnishes you with an extra 30 minutes of light, a boon for any rifle scope shopper who understands the value of the early pre-dawn and late dusk observations. The phase-coated, high-definition lenses offer unprecedented clarity across the magnification range, perfect for analysing every detail in the field.
Features
- PREMIUM OPTICS: Elite Optical System ensures dusk-to-dawn light transmission; High-definition, fully multi-coated lenses for vivid colors and contrasts.
- RUGGED DURABILITY: Constructed with lightweight aluminum, shadow gray finish for stealth; Waterproof/fogproof for relentless performance.
- GLARE REDUCTION: DiamondCoat 2 exterior lens treatment minimizes reflections; Guard-ion coating repels water and dirt.
- ERGONOMIC DESIGN: Open bridge roof prism; Twist-up eyecups and non-slip armor for ease-of-use with gloves.
- SHARP IMAGERY: Phase coated roof prisms for high-resolution viewing and a round exit pupil without distortion.
- EXTENDED VIEWING: Twilight Max HD system for additional low-light minutes; wide field of view for greater scanning ability.
- USER-FRIENDLY: Central focus dial for quick focusing; Comfortable eye relief and interpupillary distance adjustment.
- LEUPOLD GUARANTEE: Backed by Leupold's Full Lifetime Guarantee for a worry-free investment.
Specifications
| Feature | Specification |
|---|---|
| Item Condition | New |
| Binocular Weight | 17 oz. |
| Binocular Magnification | 8x |
| Objective Lens Diameter | 32mm |
| Binocular Eye Relief | 0.62 inches |
| Exit Pupil | 4mm |
| Field of View | 394 ft @ 1000 yards |
| Dimensions (Length) | 4.8 inches |
| Angular Field of View | 7.5 Degrees |
| Finish | Shadow Gray |
| Package Includes | Shoulder strap, binocular case, lens covers, lens cloth |
| Close Focus Range | 7 ft |
| Interpupillary Distance | 58 - 74 mm |
| UPC | 030317015183 |
| MPN | 172658 |
Included In The Box
- Leupold BX-4 Pro Guide HD 8x32mm Binoculars
- Shoulder strap for easy transport
- Protective binocular case for storage
- Lens covers to safeguard optics
- Soft lens cloth for maintenance
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Optics Knowledge Center
Understanding Rifle Scope Basics
Magnification
Magnification refers to how much larger an object appears through the scope compared to the naked eye. Fixed power scopes have one magnification setting, while variable power scopes offer a range (e.g., 3-9x).
Objective Lens
The objective lens is the front lens that gathers light. Larger objective lenses (measured in mm) gather more light, providing brighter images in low-light conditions but add weight and require higher mounting.
Reticle
The reticle (crosshair) is the aiming point inside the scope. Modern scopes offer various reticle designs, from simple duplex crosshairs to complex ballistic reticles with holdover points for different distances.
Adjustments
Rifle scopes have turrets for windage (horizontal) and elevation (vertical) adjustments. These are measured in MOA (minutes of angle) or MRAD (milliradians) and allow precise aiming adjustments.
Proper Scope Mounting Guide
Select the Right Rings & Base
Choose rings that match your scope's tube diameter (typically 1", 30mm, or 34mm). Select a base compatible with your rifle's receiver. For heavy-recoiling rifles, opt for stronger mounts.
Install the Base
Clean the receiver and base thoroughly. Apply a small amount of blue Loctite to the screws. Attach the base to the receiver and torque the screws to manufacturer specifications.
Attach the Rings
Attach the bottom halves of the rings to the base. Place the scope in the rings and loosely attach the top halves. Don't fully tighten yet.
Set Eye Relief & Level
Position the scope for proper eye relief (3-4 inches) in your normal shooting position. Ensure the reticle is level using a scope leveling tool. Once positioned correctly, tighten the rings evenly in a cross-pattern.
Scope Zeroing Tips
Start Close
Begin zeroing at a shorter distance (25-50 yards) to ensure you're on paper before moving to your desired zero distance (typically 100 yards).
Use a Stable Rest
Always zero your rifle from a stable shooting position using a bench rest, sandbags, or a shooting rest to eliminate as much human error as possible.
Fire Groups
Fire 3-shot groups before making adjustments. This provides a more accurate representation of where your rifle is shooting than single shots.
Make Deliberate Adjustments
Know your scope's adjustment values (typically 1/4 MOA per click). If your group is 2 inches low at 100 yards, you'll need to adjust up 8 clicks (for a 1/4 MOA scope).
Confirm Your Zero
After making adjustments, fire another group to confirm your zero. Repeat the process until your point of impact matches your point of aim.
Document Your Settings
Once zeroed, record your settings including distance, ammunition used, and environmental conditions for future reference.
Optics Maintenance & Care
Cleaning Lenses
- Start by blowing or brushing away loose particles
- Use a lens pen or microfiber cloth for fingerprints
- For stubborn dirt, use lens cleaning solution (never household cleaners)
- Clean with gentle circular motions from center outward
Protecting Your Optics
- Always use lens caps when not in use
- Store in a dry place with silica gel packets
- Avoid extreme temperature changes
- Use a quality scope cover in harsh conditions
Regular Maintenance
- Check and tighten mount screws periodically
- Inspect O-rings and seals for damage
- Verify zero after rough handling
- Clean the exterior with a damp cloth
What to Avoid
- Never use fingers to touch lenses
- Avoid paper products (tissues, paper towels) on lenses
- Don't use acetone, alcohol, or household cleaners
- Never disassemble your scope (voids warranty)