Related Words

Focus: The adjustment of the camera lens so that the image is sharp and clear.

Zone Focusing: Is a method of focusing the lens so that the depth of field extends over a preselected range of distances.

Focus Range: Range within which a camera is able to focus on the selected picture subject.

Focusing Hood: Light proof cowl used on tlr and most roll film slr cameras to prevent extraneous light falling on the focusing screen.

Focusing Screen: Ground glass screen fixed to the camera at the image-forming plane, enabling the image to be viewed and focused.

Fixed Focus: Lens camera system that has no method of focusing on a fixed point, usually at the hyperfocal distance.

Autofocus: Device used in certain cameras, projectors and enlargers that focuses the image automatically.

Auto Focus: All Digital Cameras feature the Auto Focus (AF) function. In AF mode a Digital Camera automatically focuses on the subject in the center of the image area. However, more and more Digital Cam . . . View Full Definition

Clear-Spot Focusing: Method of lens focusing achieved by examining the image through a transparent area in a specific plane.

Depth Of Focus: Distance which the film plane can be moved while maintaining an acceptably sharp image without refocusing the lens.