Relations Feature True One Power Scope w/ Two Eyes Open at 1x Power, 30mm Monotube Made of 606120.0Adeg F.O.V @ 1x Power, 4" Long Eye Relief, Super Edge-to-Edge Crystal Clear ImageFirst Focal Plane, 1/2 MOA Tactical Finger Adjustment with Turret Lock Feature Etched Glass M-4RD MOA Reticle Used @ 4x Power with 6 Levels Red Illumination on SideCome with 30mm One Piece Picatinny Mount, Flip-up Caps, Power Ring Lever Mount Reticle Specification Magnification: 1-4x Objective Lens: 24mm Ocular Lens Dia.: 35mm Ocular Lens Lenght: 59mm Exit Pupil: 11.0-5.0mm Optics Coating: Fully-multi coated Field of View: 105.8-26.2 feet @ 100 Yds Field of View: 20.0-5.0Adeg Eye Relief: 105-100mm (4.13-3.93") Length: 255mm / 10.0" Weight (with mount): 485g / 17.1oz Tube Dia: 30mm Click Value: 1/2MOA Adjustment Range: 60MOA Parallax Setting: 100 yards Reticle: Etched Glass M-4RD Finish: Black matte Illumination: 6 levels red Battery Type: CR2032 Length of middle turret part: 39mm (1.5 inch) Distance between middle turret parts to power ring: 46mm (1.8 inch) Distance between middle turret parts to objective lens: 78mm (3.1 inch) Adjustment lock feature: pull up to adjust, press down to lock Shock tested to 750g, water-resistant Fully nitrogen purged to eliminate any fogging of the lenses internally High quality 6061 T6 aircraft grade aluminum Diopter compensation from fast-focus eyepiece (+2 to -2) Including items: 30mm one-piece Picatinny mount, flip-up caps, power ring lever mount and cleaning cloth etc.