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- High index ED Glass objective lenses for the truest color rendition.
- Fully Broadband Multi-Coated lenses –provides maximum throughput light transmission with the highest levels of contrast. Celestron Broadband coatings provide superb natural color fidelity and vivid color saturation.
- Phase Coated BaK-4 Prisms with Dielectric High Reflectivity Coatings
- Waterproof & Fogproof -Nitrogen purged.
- Rubber Armored– for protection
- Ergonomic features such as open bridge body with thumb indentations & finger ridges to prevent slipping.
- Metal Focus Knob, Diopter Ring, and Twist-Up Eyecups -for long life and precision movement.
Celestron Granite Series Roof Prism Binoculars are the pinnacle of optical and mechanical design. Granite offers all the features you’d expect from a top-of-the-line binocular, including ED (Extra Low Dispersion) glass. The ED objective lenses and fully multi-coated optics provide excellent sharpness and color correction, while virtually eliminating chromatic aberration. Granite also features BaK-4 prisms with phase and dielectric coatings to increase light transmission and overall image quality.