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The Steiner BluHorizons 10×42 binocular with Autobright technology is a modern optical instrument designed for comfortable observation in bright sunlight. The adaptive Autobright Sunlight lenses automatically reduce excessive brightness, minimizing glare and eye strain while preserving image detail.
The combination of 10× magnification, 42 mm objectives, and roof-prism design delivers a stable, high-contrast image for use in mountains, on water, in open terrain, or urban environments.
🫡 We are a team of veterans
We select optics that genuinely improve usability in demanding conditions. The BluHorizons 10×42 reduces visual fatigue during prolonged observation under intense sunlight, where conventional binoculars often become uncomfortable. This approach is especially valuable in field and tactical scenarios.
⚙️ Technical specifications
| Parameter | Value |
|---|---|
| Magnification | 10× |
| Objective lens diameter | 42 mm |
| Field of view (at 1000 m) | 100 m |
| Twilight factor | 20.49 |
| Exit pupil diameter | 4.2 mm |
| Waterproof rating | Yes, IPX-4 |
| Operating temperature | −20 to +70 °C |
| Width | 125 mm |
| Weight | 740 g |
💬 Commentary
The defining feature of the BluHorizons is automatic brightness control without mechanical filters. The Fast-Close-Focus central wheel enables rapid focusing from close range to infinity with minimal rotation, supporting dynamic observation. The housing is built for active use and provides reliable moisture protection.
🎯 Who it is suitable for
-
military personnel and observation units operating in bright conditions
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volunteers and instructors
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hunters and wildlife professionals
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users working in mountains, on water, or in open terrain
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anyone seeking reduced eye strain during prolonged observation