The ABC of Photography – D
The ABC of Photography - D D DA Stands for Digital Auto, which features on a range of Pentax lenses that (unlike some earlier ranges) don’t have a manual aperture ring.…
The ABC of Photography – C
The ABC of Photography - C C Cable release A mechanical or electronic device for firing a camera from a short distance away, without physically pressing the shutter release. It’s often used as a…
The ABC of Photography – B
B B (Bulb) The Bulb setting (abbreviated B) on camera shutters is a momentary-action mode that holds shutters open for as long as a photographer depresses the shutter-release button. The Bulb setting is…
The ABC of Photography – Antialiasing
Antialiasing A method of smoothing diagonal or curved lines in digital images to avoid a ‘staircase’ or ‘stepped’ appearance (also called ‘jaggies’), caused by the fact that the pixels making…
The ABC of Photography – Angle of view
Angle of view A measurement of how much a lens can see of a scene from a particular position, usually measured in degrees. The longer the focal length of the…
The ABC of Photography – Auto-bracketing
The ABC of Photography -Auto-bracketing A feature on some cameras that enables you to automatically shoot a sequence of shots of the same scene at slightly different shutter speeds (or…
The ABC of Photography – Astrophotography
Astrophotography Photography achieved by attaching a camera to a telescope and concerned with recording images of astronomical objects in the night sky such as stars, planets and the moon. Astrophotography…
The ABC of Photography – A-spherical lens
A lens element that has a surface that isn’t perfectly spherical. All camera lenses are made up of a number of individual lenses or elements. Many of these elements are…
The ABC of Photography – Ambient light
Ambient light The existing light in a particular scene, which may be sunlight, moonlight or an artificial light already providing illumination. It excludes any light source added by the photographer,…
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…