Olympus 10x21 RC II

Weight: 185 g
Brand: Olympus
Description: Type: binoculars, magnification: 10 x, objective lens diameter: 21 mm, exit pupil diameter: 2.10 mm, functions: pupillary distance adjustment, features: case/case included, design: multi-coated lenses
Width: 88
Height: 3.8
Type: Binoculars
Length: 106 mm
Lens diameter: 21 mm
Exit pupil diameter: 21 mm
Minimum focusing distance: 3m
Field of view at a distance of 1000 m: 89 m
Increase: 10 x
Angular field of view apparent: 50°
Angular field of view real: 5.1°
Eye relief: 95 mm
Diopter adjustment: ±2D
Interpupillary distance max.: 72 mm
Interpupillary distance min.: 3.7mm
Relative brightness: 4.4
Prism type: Roof
Number of groups of optical elements: 3
Number of optical elements: 5
Focusing: Central