Light angle

from Wikipedia, the free encyclopedia

In photography, the light angle of a flash unit stands for the maximum focal length of the lens at which the image recorded by the camera can still be fully illuminated. In most cases, the size equivalent to the small image is given in millimeters. Flash units typically have a light angle that corresponds to a maximum of 28 mm wide angle .

While the light angle of traditional flash units is fixed and can only be enlarged with attachments such as diffusing lenses or softbags, some modern flash units have automatically adjustable zoom reflectors that adapt to the current focal length of the lens and thus enable optimal light output.

literature

  • Manfred Horst: Electronic aids for film and photo. 1st edition, Franzis-Verlag, Munich, 1974, ISBN 3-7723-3371-0