Mariner II 7 X 50 Binocular

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 Calibration feature enables user to revise geomagnetic error Compass precision: +/- 5 degree""Magnification 7xObjective Lens 50mmEye Relief 23.7mmView Angle 7.2 degreeField of View @1000m 125.8mExit Pupil Diameter 7.1mm""Brightness 50.4Minimum Focus Distance 11.5mEye Width Adjustable Range 56~72mmLength @Retraction 172mmEye Width 64mm 195mm"Sh. Wt. 2 lbs