Vortex
Vortex Diamondback HD 10x42
$329.99
Released 2019
Best Binoculars · head-to-head
Vortex Diamondback HD 10x42 vs Leupold BX-2 Alpine HD 10x42
A sourced, side-by-side comparison. Leupold BX-2 Alpine HD 10x42 is cheaper at $249.99. Every spec and price links to its source.
Leupold
Leupold BX-2 Alpine HD 10x42
$249.99Cheaper
Released 2021
Which is better: the Vortex Diamondback HD 10x42 or Leupold BX-2 Alpine HD 10x42?
The Vortex Diamondback HD 10x42 wins 1 of the 1 specs we compare head to head; the other wins 0. The Leupold BX-2 Alpine HD 10x42 is the cheaper at $249.99. Get the Vortex Diamondback HD 10x42 for the stronger spec sheet, the Leupold BX-2 Alpine HD 10x42 to spend less.
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Vortex Diamondback HD 10x42 | Leupold BX-2 Alpine HD 10x42 |
|---|---|---|
| US price | $329.99 | $249.99 MSRP per leupold.com |
| Brand | Vortex | Leupold |
| Released | 2019 | 2021 |
| Magnification | 10x | 10x |
| Objective lens (mm) | 42 | 42 |
| Field of view ft 1000yd | 330 | 342 |
| Eye relief (mm) | 15 | 15 |
| Weight (oz) | 21.3 | 24.3 |
| Waterproof | Yes | Yes |
| Prism type | Roof | Abbe-Koenig |
| Release | 2019 | 2021 |
Sources — Vortex Diamondback HD 10x42: vortexoptics.com (verified 2026-06-15). Leupold BX-2 Alpine HD 10x42: leupold.com (verified 2026-06-15).
What's the difference between the Vortex Diamondback HD 10x42 and Leupold BX-2 Alpine HD 10x42?
Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.
- Field of view ft 1000yd: Vortex Diamondback HD 10x42 330 vs Leupold BX-2 Alpine HD 10x42 342
- Weight (oz): Vortex Diamondback HD 10x42 21.3 vs Leupold BX-2 Alpine HD 10x42 24.3
- Prism type: Vortex Diamondback HD 10x42 Roof vs Leupold BX-2 Alpine HD 10x42 Abbe-Koenig
What reviewers say
Sourced tester consensus for each — the "what people who used it think" layer, not just specs.
Vortex Diamondback HD 10x42
No sourced tester review yet.
Leupold BX-2 Alpine HD 10x42
Two whitelisted hands-on testers — Field & Stream and GearJunkie — reviewed this exact model (BX-2 Alpine HD 10×42), both recommending it as a strong sub-$300 value with above-average optics, smooth focus, and a rugged, weather-resistant body. Both flag a looseness issue (F&S the diopter, GearJunkie the eyecups); GearJunkie also notes it lacks the hydrophobic lens coating of higher-end Leupolds. No lab-measured numbers were published. (2 sourced reviews, 2 lab-tested.)
Praised: Above-average optical/image quality and strong value for a sub-$300 binocular; Smooth focus wheel and comfortable ergonomics; Rugged, weather-resistant body.
Flagged: Eyecups/diopter too loose to reliably hold their setting; Slightly slick exterior finish; No hydrophobic lens coating; not as sharp as higher-end Leupolds.