Swarovski Optik CL Companion Binoculars, 8x30mm (Green) High reproduction quality and transmission for bright, high-contrast images; SWAROBRIGHT, SWARODUR and SWAROTOP coatings 3 m (9.8 ft.) shortest focusing distance; Slender construction due to high-precision roof prism system with phase-corrected coating (P-coating) Non-slip, easy-to-handle focusing wheel; Individually adjustable twist-in eyecups made from allergy-tested material Dirt-proof, dust-proof and watertight (4 m/13 ft.) due to interior focusing; No fogging due to nitrogen filling Ergonomically designed for comfort and ease of use; Slender bridge construction and thumb depressions on the underside of the binoculars for steady, balanced viewing comfort