February 2010
Intermediate to advanced
256 pages
6h 54m
English
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Glossary
- AE (Automatic Exposure)
A general-purpose shooting mode where the camera automatically sets the aperture and shutter speed using its metered reading. On some cameras, the ISO settings are also automatically set.
- AE/AF Lock
A camera setting that allows you to lock the current exposure and/or autofocus setting prior to taking a photo. This button lets you recompose the scene without holding the Shutter button halfway down.
- AF-assist illuminator
Useful in low-light and low-contrast shooting situations, a feature that automatically projects a red grid onto your subject to aid the camera's autofocusing system. The AF (autofocus) assist illuminator is located on the bottom front of the flash. The AF-assist beam is compatible with most recent Canon cameras, helping the camera to focus properly in poor light.
- ambient light
The natural or artificial light within a scene. This is also called available light.
- aperture
Also referred to as the diaphragm or f-stop setting of the lens. The aperture controls the amount of light that is allowed to enter through the camera lens. The higher the f-stop number setting, the smaller the aperture opening on the lens. Larger f-stop settings are selected by lower numbers, such as f/2 or f/1.2. The larger the aperture, the less depth of field the image will possess. A smaller aperture means that the image will have more depth of field, and that more of the background will be in focus.
- Aperture-priority (Av)
A camera setting where you choose the aperture, and ...
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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.