The lightweight Swarovski Optik 10x25 CL Pocket Binoculars feature the high-quality construction and viewing precision that nature enthusiasts have come to expect from the brand. The dual-hinge bridge allows the optical barrels to fold tightly underneath for a space-saving compact footprint that fits easily in your pocket, pack, or purse. The folding bridge design also yields a broad 51-74mm interpupillary distance, so the binoculars are comfortable for a wide range of adults and children. High-quality glass bearing Swarovski's SWAROBRIGHT, SWAROTOP, and SWARODUR lens coatings delivers a crisp image with accurate color rendition across the entire field of view. The optical tubes are nitrogen-filled to prevent internal fogging from condensation and submersible to a depth of 13'. A black webbed neck strap and a green carry case are included. Optical Performance 10x magnification 25mm objectives Compact roof prism optical path Highly reflective SWAROBRIGHT prism coating optimizes color representation and contrast Antireflection SWAROTOP lens coating reduces glare and improves contrast, color rendition, and clarity Scratch-resistant SWARODUR coatings protect exterior lens surfaces 294' field of view at 1000 yards Use and Handling Closed-bridge/dual-hinge configuration Recessed center focus wheel with raised ridges to more easily control the focus precision A 5 right eye dioptric correction 51-74mm interpupillary adjustment range accommodates a wide variety of users from children to adults Twist-up eyecups for comfortable use with or without eyewear Long 17mm eye relief Comfortable 2.5mm exit pupil Construction Details Dual hinges on the bridge allow the optical tubes to fold tight underneath for an extremely compact form factor when closed Lightweight and durable aluminum-alloy chassis Inert gas filled and O-ring sealed to be waterproof and resistant to internal fogging when moving through extreme temperature changes or environmental conditions Waterproof to a depth of 13' Protective rubber armoring with textured palm pads provides a comfortable slip-resistant grip Broad -13 to 131AdegF operating temperature range Compact 4.3 x 4" footprint Lightweight: 12.3 ounces