1852 Binoculars Mate 7×50 Autofocus

Description

Affordable binoculars with autofocus from Marine Quality 1852, where the ratio between magnification and light incidence is optimal.

Specially designed for use on the water and has the following features:
· Autofocus
· Magnification/lens 7×50
· BK-7 prism
· Angle of view: 7.1 (119 m V/1000 m)
· Rubber reinforced
· Foldable eyecups – a great advantage for glasses users
· Water repellent
· Comes with bag and strap

Autofocus
Automatically maintains focus.

Magnification/lens 7×50
The image is seven times larger than what the naked eye sees. 7x is the recommended magnification in marine binoculars. The second number 50 indicates the diameter of the lens. The higher the number, the better the light incidence. This is an advantage in poor light conditions. For marine use, a 50 mm lens is recommended.

BK-7 prism
Prism material borosilicate glass class B. Is good at transporting light and image from the lens, through the prisms to the eyepiece and out to the eye.

Angle of view: 7.1
The angle of view in degrees indicates the width of the image that can be seen at a distance of 1000 meters. A viewing angle of 7.1º gives a width of 119 m at a distance of 1000 meters.

Details:
Focus system: AutofocusPrism: BK-7Dispersion angle: 7.10 °