1. Prism features high-reflection silver coating for brighter images
2. Phase correction coated roof prisms for high resolution
3. All lenses and prisms are multilayer coated for the brightest images
4. High-eyepoint design provides a clear field of view, even for eyeglass wearers
5. Waterproof and fog-free with O-ring seals and nitrogen gas
6. Turn-and-slide rubber eyecup facilitates easy positioning of eyes at the correct eyepoint
7. Foldable design is convenient for carrying
8. Sturdy, lightweight die-cast magnesium-alloy body
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