Photography Glossary

Subject	Date Published	Contributer	Language	Total Questions	File Name
Photography	14th February 2009	Brian2	USA	50	wbe109.zip

Contrasty	Higher-than-normal contrast including very bright and dark areas
Cropping	Printing only part of the image that is in the negative or slide, usually for a more pleasing composition. May also refer to the framing of the scene in the viewfinder
Darkroom	A lighttight area used for processing films and for printing and processing papers; also for loading and unloading film holders and some cameras
Data Disk	A circular, rotating disk at the end of Advanced Photo System film cassettes that functions as a circular bar code, communicating the film speed, type and exposure length through a sequence of reflective bars to an optical sensor in the camera
Dedicated Flash	A fully automatic flash that works only with specific cameras
Definition	The clarity of detail in a photograph
Densitometer	An instrument used for measuring the optical density of an area in a negative or print
Density	The blackness of an area in a negative or print that determines the amount of light that will pass through it or reflect from it. Sometimes referred to as contrast
Depth of Field	The amount of distance between the nearest and farthest objects that appear in acceptably sharp focus in a photograph
Depth of Focus	The distance range over which the film could be shifted at the film plane inside the camera and still have the subject appear in sharp focus; often misused to mean depth of field
Developer	A solution used to turn the latent image into a visible image on exposed films or photographic papers
Developing Tank	A lighttight container used for processing film
Diaphragm	Lens opening. A perforated plate or adjustable opening mounted behind or between the elements of a lens used to control the amount of light that reaches the film
Diffuse Lighting	Lighting that is low or moderate in contrast, such as on an overcast day