Created by: sylvia
Number of Blossarys: 1
English (EN) A lens with a curved, non-spherical surface. Used to reduce aberrations and achieve a more compact lens size. With a spherical lens, rays travelling from the lens periphery create the image before ...
The aperture is the opening formed by the blades of the iris or diaphragm in the lens, through which light passes to expose the film. Aperture size is usually given in f-numbers, the larger the ...
The area of a scene that a lens can cover. The focal length of the lens determines the angle of view. A wide-angle (short-focal-length) lens includes more of a scene than a standard ...
The inability of a lens to produce a true image, particularly at the edge of a photograph. Usually, the more expensive the lens, the better its optical quality and the fewer aberrations
