ZeroTech Optics The Thrive 8x42mm Roof Prism Binoculars Rubber Armor Grey TH842. 5 mm Exit Pupil: 5.3 mm Optical Coating: FMC Binoculars Focus System: Center Focus Diopter Adjustment Range: -3 - 3 dpt Weight: 670 g Finish: Rubber Armor Package...