Bushnell’s Classic Marine Binoculars with internal range-finder and illuminated compass.
Features:

• 3-Axis Digital Compass
• BaK-4 porro prisms for bright, clear, crisp viewing
• Fully Multi-coated optics for superior light transmission and brightness
• 100% waterproof / fogproof
• 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

Model: 13-7500
Magnification X Obj Lens: 7 x 50
Size Class: Standard
Focus System: Individual
Prism System: Porro
Prism Glass: BaK-4
Lens Coating: Multi
Field of View (ft@1000yds / m@1000m): 350/117
Close Focus (ft/m): 35/10.6
Exit Pupil (mm): 7.1
Eye Relief: 18
Eyecups: Fold Down
Weight (oz/g): 37/1050
Water/Fog Proof: Yes
Adapt to Tripod: Yes