Galileo C-81725 8-17x25 Compact Zoom Binoculars feature 25mm objective lenses and bring images 8 to 17 times closer to you than the naked eye. The Galileo C-81725 8-17x Binocular is designed with coated optics for improved contrast and reduced glare. This Galileo binocular features a Porro prism design, giving it increased depth perception over other binocular designs. Additionally the Galileo 8-17x 25mm C-81725 Porro Binocular is designed to be much more compact than common porro prism zoom binoculars, so mobility and ease of use are not sacrificed. Designed for years of use, all binoculars from Galileo come with a limited lifetime warranty.
The Galileo C-81725 Zoom Binocular features a 3.1mm Exit Pupil at 8x, a 1.5mm Exit Pupil at 17x and exhibits a minimum focus distance of 11ft. Linear Field of View is 315" at 1000yds and Angular Field of View is 6°. Relative Brightness Index (RBI) is 9.6 at 8x & 2.3 at 17x; Twilight Factor is 14.1 at 8x & 20.6 at 17x. Interpupillary Distance (IPD) ranges from 67mm to 73mm.