$75 · Bushnell 137507 Marine 7X 50mm w/ Digital Compass Waterproof Binoculars

3-Axis Digital Compass and ranging reticle BaK-4 porro prisms for bright, clear, crisp viewing Fully Multi-coated optics for superior light transmission and brightness 100% waterproof / fogproof Individual Focus O-ring sealed and nitrogen-purged to keep out moisture Highly resistant to saltwater corrosion Non-slip, non-skid rubber armor cushions bumps and shock, prevents sliding and provides a firm grip when wet Hermetically sealed Fold-down eyecups