The ABC of Photography – Alternative processes
Alternative processes This term refers to a range of photographic processes, mostly dating from the late 19th and early 20th century, which devotees continue to use for their unique…
The ABC of Photography – Albumen print
Albumen print A type of photographic print invented in 1850 by Frenchman Louis Désiré Blanquart-Evrard (1802-1872). It consists of a sheet of paper coated in egg white (albumen) and salt,…
The ABC of Photography – AF illuminator
AF illuminator This is a system used by some cameras and flashguns to assist autofocus in low light. A pattern of red light is projected on to the subject, which…
The ABC of Photography – AF
AF AF Stands for autofocus, a function first introduced on cameras in the late 1970s, in which the lens is adjusted automatically to bring the designated part of the…
The ABC of Photography – Automatic exposure lock
AEL Automatic exposure lock. This is a push-button control that enables you to select the part of the scene from which the camera takes its meter reading, and then lock…
The ABC of Photography – Automatic Exposure
AE An abbreviation for automatic exposure. This camera feature enables the user to determine the shutter speed and aperture for an image, usually via a TTL (through-the-lens) exposure meter. Automatic…
The ABC of Photography – Adobe Camera Raw
Adobe Camera Raw A free plugin used by Photoshop and Elements to process and edit raw files. Adobe Camera Raw is frequently updated to support the newest camera models. Adobe…
The ABC of Photography – A
The ABC of Photography - A Aberration An optical fault in a lens that creates a less-than-perfect image. In optics, the aberration is a property of optical systems, such as…
Adjustment layer
Adjustment layer This is a layer containing an image adjustment or effect instead of image content. Like a red Cellophane overlay on a print, an adjustment layer will alter the…
Abstract
Abstract In photography, this term refers to images that concentrate on aspects of a subject such as: shape, form, colour and texture. Instead of a straightforward representation of a subject. Definition…