Olympus 8x21 RC II

Weight: 185 g
Brand: Olympus
Description: Type: binoculars, magnification: 8 x, lens diameter: 22 mm, exit pupil diameter: 2.75 mm, functions: pupillary distance adjustment, features: case/pouch included, design: retractable eyecups, multilayer
Width: 88
Height: 3.8
Type: Binoculars
Length: 106 mm
Housing material: Plastic
Lens diameter: 21 mm
Exit pupil diameter: 2.6mm
Minimum focusing distance: 3m
Field of view at a distance of 1000 m: 110 m
Increase: 8 x
Angular field of view apparent: 49.6°
Angular field of view real: 6.3°
Eye relief: 11.5mm
Diopter adjustment: ±2D
Interpupillary distance max.: 72 mm
Interpupillary distance min.: 3.7mm
Relative brightness: 6.8
The Twilight Factor: 13
Prism type: Roof
Number of groups of optical elements: 3
Number of optical elements: 5
Focusing: Central