Olympus 10x21 DPC I binocular Porro Silver

— Objective lens diameter: Ø 21 mm.<br>- Exit pupil diameter: Ø 2.1 mm.<br>- Actual field of view: 5.0°.<br>- Apparent field of view: 50.0°.<br>- Field of view at 1000 m: 87 m.<br>- Eye relief: 11 mm.Olympus 10x21 DPC I. Magnification: 10x, Objective diameter: 2.1 cm, Prism type: Porro. Weight: 170 g. Dimensions (WxDxH): 107 x 41 x 82 mm