Ideal for hunting, birding, fishing or sporting events! 8x magnification 21mm objective lenses 10.5mm eye relief 2.6mm exit pupil 383" field of view @ 1,000 yds 4.0 relative brightness 12.96 twilight factor Bk7 roof prism Center focus MGFL-2 Blue lens coating Black rubber coating Includes lens caps 4.13Lx3.54Wx1.57H 5.92 oz.