April 2008
Beginner to intermediate
320 pages
8h 47m
English
Content preview from Canon® EOS 40D Digital Field GuideBecome 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,
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Glossary
- ADEP
(Automatic Depth of Field AE) The camera mode that automatically calculates sufficient depth of field for near and far subjects within the coverage of the seven AF focusing points, such as when several people are sitting at various distances from the camera.
- AE
Automatic exposure.
- AE lock
Automatic exposure lock. A camera control 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
Autofocus lock. A camera control 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 as a byproduct ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.