Skip to Content
Canon® EOS 5D Digital Field Guide
book

Canon® EOS 5D Digital Field Guide

by Charlotte K. Lowrie
April 2008
Intermediate to advanced
283 pages
7h 59m
English
Wiley
Content preview from Canon® EOS 5D Digital Field Guide

Glossary

AE Automatic exposure.

AE Lock

Auto Exposure Lock. A camera mode that lets the photographer lock the exposure from a meter reading. After the exposure is locked, the photographer can then recompose the image.

AF Lock

Auto Focus Lock. A camera mode that locks the focus on a subject and allows the photographer to recompose the image without the focus changing. Usually activated by pressing the Shutter button halfway down.

Ambient light

The natural or artificial light within a scene. Also called available light.

Angle of view

The amount or area seen by a lens or viewfinder, measured in degrees. Shorter or wide-angle lenses and zoom settings have a greater angle of view. Longer or telephoto lenses and zoom settings have a narrower angle of view.

Aperture

The lens opening through which light passes. Aperture size is adjusted by opening or closing the diaphragm. Aperture is expressed in f/numbers such as f/8, f/5.6, and so on.

Aperture-Priority (Av Aperture-Priority AE)

A semiautomatic camera mode in which the photographer sets the aperture (f-stop), and the camera automatically sets the shutter speed for correct exposure.

Artifact

An unintentional or unwanted element in an image caused by an imaging device or appearing as a byproduct of software processing such as compression, flaws from compression, color flecks, and digital noise.

Artificial light

The light from an electric light or flash unit. The opposite of natural light.

Autofocus

The camera automatically focuses on the subject using the ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Canon® EOS 30D Digital Field Guide

Canon® EOS 30D Digital Field Guide

Charlotte K. Lowrie

Publisher Resources

ISBN: 9780470174050Purchase book