Diaphragm
noun
Subject Field: Photography, Optics

The device that controls the amount of light passing through a lens. Monaco			- Contained in - Iris Bibliography Index Home Conceptual tree
Context: When you are set to shoot the following scene, you gradually open up the diaphragm of the camera, while it is running, until you reach the setting that will give correct exposure. Brodbeck, 1968 Attestation: 2 Diaframma Reliability: 3