Patented BDC reticle for confidence-building long range shot placement and all-round hunting performance. Guaranteed waterproof/fogproof/shockproof performance. Bright, sharp ultra clearcoat optical system for 95% light transmission. Fully multi-coated lenses, hand turn 1/4 MOA click reticle adjustments. Quick focus eyepiece. Rugged, one-piece main body tube construction. Field of View @100yds: 33.8-11.3, Eye relief: 3.6", Length: 12.3", Weight: 13.7oz.