SIGHTRON CometScan 18x80 18x 80mm for Astronomical Binoculars, Magnification, Aperture, Observation, Comets, Birdwatching, etc. (Model B375)

Magnification: 18x Objective lens: 80 mm Prism: Porro prism (BaK4) Coating: Fully multi-coated Field of view: 3.9° Field of view at 1,000 m: 68 m Exit pupil diameter: 4.4 mm Brightness: 19.4 Eye relief: 16.5 mm Minimum focusing distance: 16 m Waterproof: Fully waterproof Focusing: Internal focusing (IF)

Dimensions: 27.10 x 38.00 x 14.90 cm Weight: 3.37 kg