About Product
The beautifully shaped Bresser Topas 7–21x40 Binoculars feature reliable Porro prism design and fully coated optics made of BK-7 glass. The magnification, which ranges from 7x to 21x, can be easily changed with a special lever, and a convenient central focusing wheel allows you to quickly adjust the image sharpness. At maximum magnification, you can watch birds and animals, as well as study architectural details or any remote objects. Rubber armoring provides for a secure grip. Thanks to a standard tripod thread, you can use these binoculars with any photo tripod you have. Features: Elegant design Porro prisms Adjustable magnification 7–21x Rubber armoring Diopter adjustment Tripod thread Central focusing.
The kit includes: Bresser Topas 7–21x40 Binoculars - Nylon pouch - Carrying strap - Cleaning wipe - Protective caps - User manual.
Specifications:
Magnification, x: 7–21
Type: Porro prism
Optics material: BK-7 glass
Optics coating: fully coated
Objective lens diameter (aperture): 40
Exit pupil diameter, mm: 1.9–5.71
Twilight factor: 16.73–28.98
Relative brightness: 32.65
Field of view, m/1000 m: 73 (7x)
Close focus, m: 8
Eyepiece diopter adjustment: Yes
Interpupillary distance (IPD), mm: adjustable
Focusing: central
Eyecups: rubber
Adaptable to a tripod: Yes
Dimensions, mm: 185x160x55
Weight, kg: 0.71
