Type 7x50 Body Style Semi-aromatic thermoplastic Power 7X Objective Diameter 50mm Field Angle 6.6° FOV (at 1000m/at 1000yds) 115m/345ft Exit Pupil Dia. 7.0mm Coating Condition All lens fully coated Eye-relief 27.4 Relative Brightness 49 Objective Lens 2E1G Focusing Adjustment -4 to +8 diopter Prism Porro Optical Material Optical glass Near Focus 7m Surface Treatment Rubber Resolving Power 5.6” Focusing System Center Focus Ocular Lens 3E2G Ocular Adjustment -4 to +4 diopter Adjustable Eye Pupil 58-72mm Eyecups Rubber fold down