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1852 binoculars model Mate 7x50 autofocus bak-7-prism
  • 1852 binoculars model Mate 7x50 autofocus bak-7-prism
  • 1852 binoculars model Mate 7x50 autofocus bak-7-prism
1852 binoculars model Mate 7x50 autofocus bak-7-prism

1852 binoculars model Mate 7x50 autofocus bak-7-prism

545 SEK
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Specially designed for use on water and has the following features: · Autofocus · Magnification/lens 7x50 · BK-7 prism · Field of view: 7.1 (119 m W/1000 m) · Rubber-armored · Foldable eyecups - a great advantage for spectacle wearers · Water-repellent · Supplied with case and strap Autofocus Automatically maintains focus. Magnification/lens 7x50 The image is seven times larger than what the naked eye sees. 7x is the recommended magnification for marine binoculars. The second number, 50, indicates the diameter of the lens. The higher the number, the better the light intake. 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 for transmitting light and image from the lens, through the prisms to the eyepiece and out to the eye. Field of view: 7.1 The field of view in degrees indicates the width of the image that can be seen at a distance of 1000 meters. A field of view of 7.1º provides a width of 119 m at a distance of 1000 meters.