The Alpen Chisos 10x42 ED Binoculars are designed for birdwatchers, hikers, and outdoor enthusiasts who require exceptional optical performance and all-weather durability. Featuring Extra-Low Dispersion (ED) glass, phase-coated BaK4 prisms, and fully multi-coated lenses, these binoculars deliver razor-sharp details, vibrant color accuracy, and high-contrast images even in low-light conditions. The 10x magnification and 42mm aperture offer a wide field of view and bright, clear visuals—ideal for tracking wildlife, scanning landscapes, or observing nature in both dawn and dusk settings.
Engineered for rugged outdoor use, the Alpen Chisos 10x42 ED Binoculars are waterproof and fogproof, with nitrogen-purged optics to ensure reliable performance in various weather conditions. Their lightweight magnesium housing ensures durability without the added weight, while the ergonomic roof prism design and textured grip provide steady, fatigue-free handling during extended viewing sessions. The twist-up eyecups and generous eye relief make these binoculars perfect for both eyeglass and non-eyeglass users.
Backed by a lifetime warranty (with registration), the Alpen Chisos 10x42 ED Binoculars are designed to deliver precision optics, rugged reliability, and superior comfort, making them the perfect companion for any outdoor adventure.
CA Residents: Prop 65 WARNING(S)
Features
- ED Glass – Eliminates chromatic aberration for crisp details and true-to-life colors.
- BaK4 Optics & PXA Phase Coating – Enhances light transmission, contrast, and edge-to-edge clarity.
- Fully Multi-Coated Lenses – Ensures maximum brightness and sharp visuals in all lighting conditions.
- 42mm Aperture – Captures more light, providing bright images even in twilight or shaded areas.
- Close Focus (2m-2.5m) – Ideal for birdwatchers and nature enthusiasts to capture intricate details.
- Waterproof & Fogproof – Nitrogen-purged to protect against moisture, dust, and internal fogging.
- Magnesium Housing – Lightweight yet durable, ensuring long-lasting performance in rugged environments.
- Textured Grip & Roof Prism Design – Provides steady, ergonomic handling for fatigue-free use.
- Twist-Up Eyecups – Customizable fit for both eyeglass and non-eyeglass users.
- Lifetime Warranty – Backed by a lifetime guarantee with registration for peace of mind.
Whether you're tracking wildlife, scanning vast landscapes, or exploring the outdoors, the Alpen Chisos 10x42 ED Binoculars provide exceptional clarity, rugged durability, and comfort, ensuring you never miss a detail on your adventure.
Specs
| Item Number | 917 |
| Magnification | 10x |
| Waterproof | Yes |
| FOV @1000yds | 305ft |
| Coatings | FMC |
| Apparent FOV | 7° |
| Eye Relief | 16mm |
| Exit Pupil | 4.2mm |
| Prism | Roof BK4 |
| Close Focus | 6.5ft |
| Eyecup Type | Twist-Up |
| Weight | 759g |