B08R5L9MKY Sch?ks Binoculars 10×42, Outdoor Portable Pure Optics FMC Coating Vision in Dim Light Binoculars, High Transmittance Telescope

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? BaK-4 prisms for bright, clear, crisp viewing
. Multi-coated optics for superior light transmission
? 100% waterproof:O-ring sealed and nitrogen purged for reliable, fog-free performance
? Non-slip rubber armor absorbs shock while providing a firm grip
? Longer eye relief Only Thing We Didn’t do Was Teach Them to Swim