Ultimate Arms Gear Tactical 2-7x32 Rifle Duplex Sniper Reticle Scope Kit With Included 7/8" Weaver-Picatinny Scope Rings+ See Through Lens Covers+Lens Cleaning Kit MAGNIFICATION-2x-7x ADJUSTABLE OBJECTIVE DIAMETER- 32mm, TUBE DIAMETER. : 1" FIELD OF VIEW @ 100 YRS ( FEET ) : 36.6-13.6 /// CLICK VALUE@100 YARDS-1/4" EYE RELIEF ( INCH ) : 2.56-2.95 EXIT PUPIL ( MM ) : 13.3-4.4