Zeiss Conquest Monocular 8 x 20 Zeiss 8x20 Monocular with T* 522052, 52 20 52 Zeiss 8x20 Monocular 522052 magnifies your view 8x times. Small enough to carry almost anywhere, Zeiss 8x20mm Design Selection Monocular is a convenient tool whether the task is orienting yourself to distant landmarks, or simple close-up viewing. Zeiss 522052 . Monocular 8x20 T* Magnification 8x Objective Diameter 20 mm Exit Pupil 2.5 mm Twilight Factor 12.6 Field of View(ft/1000 yards) 330 Close Focus 9.84 ft Diopter Range > +/- 4.0 dpt Eye Relief 15.0 mm Water Resistant Sealed against spray water Functional Temperature Range -4/+104F Height 3.66 in Weight 2.72 oz