Description
The Vortex Diamondback 10×42 binoculars deliver premium optical performance at a value price—ideal for hunters, hikers, birders, and wildlife observers who want clear, bright images without breaking the bank. With fully multi-coated lenses, phase-corrected roof prisms, waterproof/fogproof construction, and Vortex’s legendary VIP unlimited lifetime warranty, these 10×42 binoculars are built for all-day use in any weather.
This is the Diamondback: Vortex’s best-selling mid-range binocular that balances optical quality, durability, and affordability better than anything in its class.
What Makes the Diamondback 10×42 Special
HD Optical System: Multi-coated lenses and phase-corrected roof prisms deliver bright, sharp images with excellent color fidelity. High light transmission for clear viewing in low-light conditions (dawn, dusk, heavy canopy).
Fully Multi-Coated Lenses: Multiple anti-reflective coatings on all air-to-glass surfaces maximize light transmission. No internal reflections, no glare—just clear, contrasty images.
Phase Correction Coating: Roof prisms are phase-corrected to enhance resolution and contrast. Eliminates the soft, low-contrast image common in cheaper roof prism binoculars.
Rubber Armor: Durable, textured rubber coating provides a secure, non-slip grip even with wet or gloved hands. Protects the chassis from bumps, drops, and abrasion.
Waterproof & Fogproof: O-ring sealed and nitrogen-purged for 100% waterproof, fogproof performance. Submersible, shockproof, and built for rain, snow, mud, and humidity.
Adjustable Twist-Up Eyecups: Soft, tapered eyecups twist up and down with multiple click stops. Maximize comfort and block peripheral light for different face shapes and eye positions.
Center Focus Wheel: Smooth, easy-to-reach focus wheel adjusts both barrels simultaneously. Quick focus acquisition for tracking moving subjects.
Locking Diopter: Located on the right eyepiece, locks in place once adjusted to your eye. No accidental bumps or shifts during use.
Tripod Adaptable: Can be mounted on a tripod, car window mount, or binocular harness (adapter sold separately). Reduces arm fatigue during extended glassing sessions.
Compact & Lightweight: At 24.4 oz (1.53 lbs), these 10×42 binoculars are easy to carry all day. Balanced, ergonomic design fits comfortably in hand.
Close Focus: 5 ft close focus distance—excellent for birding, insects, flowers, and nearby subjects.
Wide Field of View: 345 ft @ 1,000 yd (6.6° angular) for tracking birds in flight, scanning terrain, or following moving game.
Made by Vortex: Designed and engineered by Vortex Optics. Backed by Vortex’s VIP unlimited lifetime warranty—no questions asked, no registration required.
Specifications
Magnification: 10x
Objective Lens Diameter: 42mm
Exit Pupil: 4.2mm
Eye Relief: 16mm (good for eyeglass wearers)
Field of View: 345 ft @ 1,000 yd (6.6° angular)
Close Focus Distance: 5 ft (excellent for birding)
Interpupillary Distance: 57–73mm (adjustable)
Weight: 24.4 oz (1.53 lbs)
Dimensions: 5.6″ W × 5.9″ H
Prism Type: Roof prism (phase-corrected)
Lens Coatings: Fully multi-coated, phase correction coating
Eyecups: Adjustable twist-up eyecups (multiple positions, soft tapered design)
Focus System: Center focus wheel + locking diopter (right eyepiece)
Chassis: Rubber armor over durable polymer/metal chassis
Waterproof: Yes (O-ring sealed, submersible)
Fogproof: Yes (nitrogen-purged)
Tripod Adaptable: Yes (adapter sold separately)
Model Number: DB-205
SKU: 875874
Warranty: Vortex VIP unlimited lifetime warranty (repair or replacement for any reason)
Ideal For
Big Game Hunting: Elk, deer, moose, sheep—10x magnification for spotting at distance, 42mm objective for low-light glassing.
Backcountry Hunting: Lightweight (24.4 oz), compact, durable rubber armor. Built for rough terrain and harsh weather.
Wildlife Viewing: Birds, bears, wolves, eagles—HD optical system for clear, detailed images.
Birding: Close focus (5 ft) for nearby birds, wide field of view (345 ft @ 1,000 yd) for tracking flight.
Hiking & Backpacking: Lightweight, compact, durable. Easy to carry all day without fatigue.
Low-Light Use: Fully multi-coated lenses maximize dawn/dusk light transmission. Critical for hunting legal shooting hours.
Harsh Conditions: Waterproof, fogproof, shockproof, rubber armor. Built for rain, snow, mud, and drops.
Eyeglass Wearers: 16mm eye relief accommodates glasses without vignetting.
Budget-Conscious Buyers: Premium optical performance at a mid-range price. Best value in the 10×42 category.
What’s Included
(1) Vortex Diamondback 10×42 Binoculars
(1) Comfort Neck Strap
(1) Rainguard Eyepiece Cover
(1) Tethered Objective Lens Covers
(1) Deluxe Custom-Molded Carry Case
(1) Owner’s Manual
Original Packaging
Vortex Quality & Warranty
Vortex Optics has built a reputation for delivering exceptional value—premium optical performance at affordable prices. The Diamondback series is their best-selling mid-range binocular, trusted by hunters, birders, and outdoor enthusiasts worldwide.
Why Vortex binoculars matter:
VIP Unlimited Lifetime Warranty: No questions asked, no registration required. Covers repairs and replacements for any reason—even if you drop them off a cliff.
American-Owned: Vortex is a family-owned company based in Barneveld, Wisconsin.
Proven Durability: Waterproof, fogproof, shockproof construction.
Premium Glass: Fully multi-coated lenses, phase-corrected roof prisms, HD optical system.
Customer Service: Vortex is legendary for standing behind their products. Fast, friendly, no-hassle warranty service.
Important Notes
Tripod Adapter Not Included: Tripod adaptable, but requires a separate binocular mounting arm or adapter (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: Use the included lens cloth and Rainguard eyepiece cover. 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: 24.4 oz is lightweight for 10×42 binoculars, but a harness or tripod is recommended for extended glassing sessions.
Warranty: Vortex VIP warranty covers everything—even accidental damage. No questions asked, no registration required.








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