Binoculars: Marine binoculars FG-500.bM, 7 x 50, with compass & range finder,(black)The product is shipped based on the color or size of the main image of the product page.Saltwater-proof Porro prism Objective 50 mm Floatable Nitrogen-filled Visual field: 103 m at 1,000 mHigh quality professional binoculars with good magnification performance Diopter compensation: -5 to +5 diopters Magnification factor: 7x Pupillary distance: 56 to 72 mm LED for reading the distance scale even in the darkScale for easier distance or size calculation Field of view up to 131 meters at a distance of 1000 meters Twilight factor: 18.7 Filled with nitrogen Dimensions: 200 x 150 x 80 mmWaterproof and even floatable thanks to IPX7 (at 1 m depth for approx. 30 min) Lens diameter: 50 mm Exit pupil: 7.1 mm Porro prism Weight: approx. 0.9 kg