Leica 10x25 Trinovid BCA Binoculars

BH #LE10X25BCABP • MFR #40343
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Leica 10x25 Trinovid BCA Binoculars
Key Features
  • P40 Phase-Corrected Roof Prisms
  • HighLux Fully Multi-Coated Optics
  • HDC and AquaDura Optical Coatings
  • Closed-Bridge/Dual-Hinge Configuration
Inspired by their iconic full-sized counterpart, the Leica 10x25 Trinovid BCA Binoculars deliver the performance users have come to expect from the brand, but in a highly portable and easy-to-carry design. Thare are designed with a combination of phase-corrected BAK4 roof prisms, the proprietary HighLux system, and HDC fully multi-coated optics to produce bright and clear color-neutral images, while fitting comfortably in the hand for long, fatigue-free glassing sessions. The HDC coatings add abrasion-resistance to protect the exterior lens surfaces, and the lenses are also treated with AquaDura coatings, which make them easy to clean dirt, grime, oils, sap, and fingerprints without leaving residues that can interfere with views.
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Leica Trinovid BCA 10x25 Overview

Inspired by their iconic full-sized counterpart, the Leica 10x25 Trinovid BCA Binoculars deliver the performance users have come to expect from the brand, but in a highly portable and easy-to-carry design. Thare are designed with a combination of phase-corrected BAK4 roof prisms, the proprietary HighLux system, and HDC fully multi-coated optics to produce bright and clear color-neutral images, while fitting comfortably in the hand for long, fatigue-free glassing sessions. The HDC coatings add abrasion-resistance to protect the exterior lens surfaces, and the lenses are also treated with AquaDura coatings, which make them easy to clean dirt, grime, oils, sap, and fingerprints without leaving residues that can interfere with views.

Designed to easily fit in a pocket, pack, or purse, the binoculars are made with a dual-hinge system that allows the optical tubes to fold and tuck under the closed bridge to ensure the smallest form factor when fully closed. This also provides a wide interpupillary distance adjustment for easier use by those with narrow faces—like children and adolescents. Helping to reduce the weight to a mere 9 ounces is an aluminum alloy chassis that is wrapped in a protective slip-resistant armor for a more comfortable feel in the hand. Light, compact, and easy-to-use while delivering bright and clear images, the Trinovid BCA binoculars are made to be your constant companion on the trail, at the stadium, or sightseeing around the world.

Optical Performance
  • Powerful 10x magnification allows for detailed observations of distant subjects
  • Compact 25mm objective lenses ensure slim optical tubes to maintain a compact form
  • BAK4 roof prisms deliver a round exit pupil, and a crisp and clear image with limited edge distortion
  • P40 phase-correcting prism coatings increase light transmission while improving contrast and clarity
  • HDC fully multi-coated system has abrasion-resistant and anti-reflection properties to protect exterior lens surfaces, and improve light transmission and contrast
  • HighLux-System (HLS) maximizes light throughput to improve color rendition and contrast
  • Hydrophobic AquaDura coating on external optical surfaces allows dirt, dust, and fingerprints to be removed easily
Use and Handling
  • Closed-bridge/dual-hinge configuration provides a sturdy platform for the internal focusing mechanism
  • Textured low-profile center focusing wheel helps to maintain an overall compact form
  • Wide 32-74mm interpupillary distance range accommodates use by a wide variety of users — especially those with narrow faces like children and adolescents
  • ±3.5 right-eye dioptric correction allows user to compensate for optical prescription
  • Twist-up rubber eyecups for comfortable use with or without eyewear
  • 14.6mm eye relief
  • 2.5mm exit pupil
Construction Details
  • Dual-hinge design allows optical tubes to fold under the bridge for an ultra-compact form factor when closed to take up less space in packs and pockets
  • Lightweight and durable aluminum alloy chassis
  • Protective rubber armor provides a slip-resistant grip
  • Raised grip details enhance grip strength and security
  • Water-resistant to splashing water or rain
  • Compact 4.3x3.6" form factor is easy to pack and carry
  • Light 9-ounce weight

Leica Trinovid BCA 10x25 Specs

Key Specs
Prism Type
Roof (BAK4)
Magnification
10x
Objective Lens Diameter
25 mm
Angle of View
5.2° (Actual)
Field of View
273' @ 1000 yd / 90.6 m @ 1000 m
Exit Pupil Diameter
2.5 mm
Prism Type
Roof (BAK4)
Performance
Magnification
10x
Objective Lens Diameter
25 mm
Angle of View
5.2° (Actual)
Field of View
273' @ 1000 yd / 90.6 m @ 1000 m
Minimum Focus Distance
16.5' / 5 m
Exit Pupil Diameter
2.5 mm
Eye Relief
14.6 mm
Interpupillary Adjustment
32 to 74 mm / 1.3 to 2.9"
Diopter Adjustment
-3.5 to +3.5
Focus Type
Center
Features
Environmental Resistance
Water-Resistant (Unrated)
General
Dimensions
4.3 x 3.6 x 1.5" / 11 x 9.2 x 3.7 cm
Weight
9 oz / 255 g
Packaging Info
Package Weight
1.005 lb
Box Dimensions (LxWxH)
6.2 x 4.35 x 3.55"

Leica Trinovid BCA 10x25 Reviews

Better than I thought.

By tim
Rated 5 out of 5
Date: 2023-07-11

To be honest these are far better than I thought they would be. Compared to my Noctivids they stand up well and for 1/5 the cost.

Incredible compact binoculars

By Marc
Rated 5 out of 5
Date: 2020-06-11

All the clarity and quality of a full-size pair of binoculars, in a casing that allows for total portability. I've been using them mostly for nature/cityscape viewing, and the magnification and resolution are stunning. Couldn't be happier. Worth every penny.

See any errors on this page?

Do the Leica 10x25 Trinovid BCA binoculars come ...

Do the Leica 10x25 Trinovid BCA binoculars come with lens covers? If so, are they four individual lens covers? or a double-wide for the ocular lenses + two singles for the objective lenses? Thanks for any help you can offer.
Asked by: Alpha
This is from the MFR website, Delivery: Binoculars, carrying cord, Cordura bag with belt loop
Answered by: David
Date published: 2021-03-01

Are these Leica's guaranteed to be 100% ...

Are these Leica's guaranteed to be 100% dustproof? I can keep them dry enough, but cannot keep desert dust off of them.
Asked by: Mark
They are dust-proof internally (no dust will intrude into the interior where it could permanently impair the optical experience). External dust is a matter of cleaning, which is often best done with compressed air or blowing on them. Never aggressively wipe dust from the lenses. Use a brush if you don't have compressed air, can't blow it off, etc. And be certain to hold the binocular so that the lens being brushed is facing the ground. This way the dust can fall away from the lens, rather than just being moved around it.
Answered by: Richard
Date published: 2024-04-13

What size lens caps work for the objectives and ...

What size lens caps work for the objectives and eyepieces for this 10x25 BCA model? I’m looking at the Kaiser lens caps. Thanks!
Asked by: Steve
The lens cap needed will be 31mm, we tried using the 32mm Keiser cap but it is a bit too big.
Answered by: David B
Date published: 2024-09-11

question

Where in the European Union are these built please? Thank you!
Asked by: Anonymous
While Leica Camera AG is, in fact, located in Wetzlar, GE. The box containing the binocular is clearly marked Made in Portugal
Answered by: Glenn F.
Date published: 2024-04-13

question

what is the difference between this model and the ultravids?
Asked by: Anonymous
A friend bought the ultravids at the same time I bought the Trinovids, the ultras have a different coating and a slightly better diopter setting mechanisim. However for viewing quality their appears to be no discernable difference that we can tell, both are outstanding quality.
Answered by: Keith B.
Date published: 2024-04-13
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