
Leica
Leica 40252 Ultravid BR 8x20 Compact Waterproof Binoculars
★★★★★
Leica's iconic optics in a jacket-pocket form factor — the Ultravid BR 8x20 delivers exceptional clarity wherever you carry it.
$759.95*
View on Amazon
✓ In Stock on Amazon.com
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Specifications
Brand / Model
Leica 40252 Ultravid BR
Magnification
8x
Objective Lens Diameter
20mm
Prism Type
Roof
Eye Relief
15mm
Lens Coating
AquaDura hydrophobic
Waterproof
Yes (fully waterproof)
Fog Proof
Yes (nitrogen-purged)
Weight
8.5 oz
Pros & Cons
👍 Pros
- Leica's optical quality produces a sharper, higher-contrast image than competing compact binoculars at equivalent magnification — the difference is visible immediately when comparing side by side.
- At 8.5 ounces with an 8x20 form factor, these fit in a jacket pocket or small bag without adding noticeable carry weight across a long day outdoors.
- Full waterproofing and nitrogen purging make these genuinely weather-resistant — not just splash-proof, but suitable for use in sustained rain or near water without concern.
- AquaDura hydrophobic coating on the lenses sheds water droplets actively rather than requiring frequent wiping in wet field conditions.
- 15mm eye relief accommodates eyeglass use with the fold-down eyecups, making these accessible to a broader range of users than binoculars with shorter eye relief.
👎 Cons
- The 20mm objective diameter limits low-light performance significantly — in dawn, dusk, or overcast conditions, the Ultravid BR 8x20 delivers noticeably dimmer images than 32mm or 42mm alternatives.
- At Leica's price point, buyers can acquire full-size 8x42 binoculars from competing optical brands with greater light-gathering capability for comparable or less cost.
- The compact roof prism design, while enabling the small form factor, does not produce as wide a field of view as larger porro prism alternatives at 8x magnification.
- No carrying case or strap specifications are confirmed in the product listing — accessories may need to be sourced separately.
Frequently Asked Questions
How sharp and bright are these binoculars compared to full-size models?
Given the 20mm objective lens, light transmission is naturally lower than 42mm or 50mm models — these are optimized for daytime use in good light. Within that constraint, the Leica optics and AquaDura coating deliver a noticeably sharper, more contrast-rich image than competing compact binoculars at this size, making them a genuinely capable optical instrument rather than a convenience compromise.
What does the AquaDura lens coating actually do in field conditions?
AquaDura is Leica's hydrophobic lens treatment — water beads and rolls off the outer lens surfaces rather than spreading into a film that distorts the image. In rain, sea spray, or humid environments, this keeps the view clear without constant wiping, which matters considerably when you can't lower the binoculars to clean them.
Are these binoculars nitrogen-purged and waterproof, or just water-resistant?
The Leica Ultravid BR series is fully waterproof and nitrogen-purged for fog-proof internal optics — moisture cannot enter the sealed body, and internal fogging from temperature changes is prevented. This makes them suitable for full submersion scenarios, not just splash resistance.
What is the eye relief, and do these work comfortably with eyeglasses?
Eye relief is 15mm, which is workable for many eyeglass wearers — Leica also designs the eyecups to fold down for spectacle use. Users with particularly strong prescriptions may find the field of view slightly restricted, but for most eyeglass wearers these are usable with glasses on.
How do these compare to other compact binoculars at this price point?
At the Ultravid BR's price tier, the primary differentiator is the Leica glass quality and build standard — the sharpness, edge-to-edge correction, and contrast are measurably better than mass-market compact binoculars. Buyers paying a significant premium over competing brands are paying specifically for that optical performance and the weather-sealed durability of the Leica body.