Description
The Leupold BX-5 Santiam HD 15x56mm Binocular in the sleek Shadow Grey finish (Model #172457) is designed for the discerning outdoorsman—particularly hunters and shooters who demand the highest level of clarity and precision in their optics. With a robust 15x magnification and a broad 56mm objective lens, these binoculars excel in delivering detail-rich viewing experiences. The Abbe-Koenig Prism incorporated in the BX-5 Santiam HD ensures every image is bathed in vivid colors and striking contrast by maximizing light transmission and offering unrivaled resolution.
These binoculars are encased in a tough, lightweight aluminum housing, cloaked with a rubber armor for a superior grip, even in inclement weather or while wearing gloves. The advanced optical system sports fully multi-coated lenses and HD Calcium-Fluoride glass, which combine to produce a crisp, bright image in various lighting conditions. Field-ready, this optical tool is waterproof and fog-proof, ensuring reliability when confronted with the unpredictable elements of nature.
Leupold's dedication to quality extends to user comfort, as evidenced by the thoughtfully designed ergonomics. The large central focus dial and diopter focus paddle provide precise focusing control that's easily operable in the field. Furthermore, Leupold has included twist-up eyecups with multi-stage settings to accommodate users with or without eyeglasses, granting everyone a full, clear field of view. The BX-5 Santiam HD binoculars are tripod mountable, offering steady viewing for extended periods, particularly beneficial for long-range scouting.
Features
- SUPERIOR OPTICS: HD glass and professional-grade optical system for incredibly clear, sharp imaging.
- RUGGED DURABILITY: Aluminum housing, waterproof and fog-proof for reliability in the harshest conditions.
- HIGH MAGNIFICATION: 15x magnification to observe detail from great distances.
- LARGE OBJECTIVE LENS: 56mm lens for outstanding brightness and a wide field of view.
- ERGONOMIC DESIGN: Comfortable handling and ease of use with or without gloves.
- TWILIGHT MAX LIGHT MANAGEMENT: Enhanced low-light performance for dawn and dusk viewing.
- PRECISION FOCUSING: Central focus dial and diopter focus paddle for image clarity.
- TRIPOD ADAPTABLE: Stabilize your view; ideal for extended observation.
Specifications
| Specification | Detail |
|---|---|
| Item Condition | New |
| Binocular Weight | 45 oz |
| Binocular Magnification | 15x |
| Objective Lens Diameter | 56mm |
| Binocular Eye Relief | 0.7 inches |
| Exit Pupil | 3.7mm |
| Field of View | 231 ft @ 1000 yd |
| Dimensions | Length 8.2 inches |
| Angular Field of View | 4.4 Degrees |
| Finish | Shadow Gray |
| Package Includes | Tray Tripod Adapter, GO Afield shoulder strap, binocular case, lens covers, and lens cloth |
| Close Focus Range | 9.8 ft |
| Interpupillary Distance | 58 - 74 mm |
| UPC | 030317013981 |
| MPN | 172457 |
| Product Type | Binoculars |
Included In The Box
- Leupold BX-5 Santiam HD 15x56mm Binoculars
- GO Afield shoulder strap
- Binocular case
- Lens covers
- Lens cloth
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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)