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- Waterproof (up to 1 m/3.3 ft. for 10 minutes) and fog-free with O-ring seals and nitrogen gas
- High-eyepoint design for clear field of view, even for eyeglass wearers
- Multilayer coated lenses for brighter images
- Turn-and-slide rubber eyecups with multi-click facilitate easy positioning of eyes at the correct eyepoint
- Lead- and arsenic-free eco-glass optics are used for all lenses and prisms