Tasco 200122 Offshore 12x 25mm Waterproof Folding Roof Prism Binoculars, 200122Tasco 200122 Offshore 12x 25mm Waterproof Folding Roof Prism Binoculars, 200122 12x 25 mm; Folding roof prism; Multicoated optics for increased brightness and light transmission; Rugged, 100% waterproof construction; rubber O rings and nitrogen purged tubes ensure moisture stays on the outside; 273 ft. field of view; close focus: 19. 5 ft.; Rubber covered; Compact design; Includes case and instruction booklet;