Description
Vortex 15x56 Diamondback HD Binocular DB-218, a gateway to an unparalleled viewing experience by seamlessly combining precision-engineered optics with an expansive field of view, all encompassed within an ergonomic yet lightweight and durable frame.
Highlighted by oversized extra-low dispersion (ED) high-definition (HD) lenses, enriched with exclusive multicoatings, along with dielectric-coated and phase-corrected roof prisms, this binocular ushers in vibrant true-color images that radiate sharpness and encompassing clarity, devoid of distortions or color aberrations. Elevating its capabilities, these lenses are further treated with ArmorTek coatings, encouraging water to bead and roll away while also facilitating the effortless removal of oils and sap without the risk of scratching or residue. This ensures an unwaveringly clean and clear lens surface for an optimal viewing experience.
Prioritizing user comfort during extended observation, Vortex meticulously designed the binocular to minimize fatigue. Crafted from a lightweight yet robust magnesium alloy, its frame is embraced by a protective rubber armor that not only enhances grip stability but also shields against slips. Ingenious design details, such as raised dimpled palm pads and thumb indentations underneath, elevate grip stability and overall comfort. Built to thrive amidst challenging conditions, the housing is filled with argon and sealed with O-rings, ensuring waterproof integrity and resistance against internal fogging, even in the most extreme environments.
Notable Features Include:
- ArmorTek: Ultra-hard, scratch-resistant coating protects exterior lenses from scratches, oil and dirt.
- Multi-Coated: Fully Multi-Coated
- HD Lens Elements: HD
- Phase Correction: Coating on roof prism models enhances resolution and contrast.
- Rubber Armor: Provides a secure, non-slip grip, and durable external protection.
- Shockproof: Rugged construction withstands recoil and impact.
What's In The Box?
- Vortex 15x56 Diamondback HD Binocular
- GlassPak binocular case
- GlassPak case harness
- Comfort neck strap
- Tethered objective lens covers
- Rainguard eyepiece cover
- Lens cloth
- Tripod adaptor
| Close Focus Distance | 14 ft |
|---|---|
| Exterior Finish | Green |
| Eye Relief | 15.6mm |
| Field of View @ 1000 Yds | 230 ft |
| Weight | 34.8 oz |
| Length | 7.1" |
| Magnification Type | 15x |
| Objective Lens Size | 56mm |
| Weather Resistance | Waterproof & Fogproof |
| Warranty | Vortex VIP Warranty |
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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)