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…
The use of a Flash in photography
A flash is a device used in photography producing a flash of artificial light (typically 1/1000 to 1/200 of a second) at a color temperature of about 5500 K to help illuminate a scene. A major purpose…
History on the instantaneous shutter.
THE INSTANTANEOUS SHUTTER. The rapid dry plate and the quick acting lens have created a necessity for a shutter that would make an instantaneous exposure, in order that sharp pictures…
History on Pneumatic Shutters
PNEUMATIC SHUTTERS, The Cadett Shutter--The Lightning Shutter The Garland Shutter--The Invisible Shutter. THE PNEUMATIC SHUTTER FOR THE CAMERA. This device for making exposures in the photographic studio has proved…
The Mirror and the Camera
The Mirror and the Camera Illustration: FIG. 1.—effect obtained with parallel Mirrors Quite a number of novel effects can be obtained by the aid of one or more mirrors. If two…