DESC: Mariner II 7 X 50 Binocular Without Compass Individual focus Porro prism Maximum brightness-fully coated optics 100% Waterproof and fog proof Long eye relief High strength, durable Polycarbonate lightweight body Floats Twist-up eyepiece ""Digital Compass Features: Easy reference directional angle displayed in LCD Angle hold duration adjustable by .ser Auto power shut off results in long battery life.