BRESSER Topas 7-21x40

Weight: 710 g
Brand: BRESSER
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: 185
Height: 55
Additional Information: Relative brightness min - 3.61, protective covers for lenses and eyepieces
Type: Binoculars
Length: 160 mm
Lens diameter: 40 mm
Exit pupil diameter: 5.71 mm
Minimum focusing distance: 8 m
Field of view at a distance of 1000 m: 73 m
Increase: 21 x
Prism material: BK-7
Relative brightness: 32.6
The Twilight Factor: 28.98
Prism type: Porro
Focusing: Central