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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Chapter 2. Working with the Canon EOS 40D
In This Chapter
Understanding and using autofocus
Selecting a metering mode
Evaluating exposure
Modifying exposure
About ISO settings
Selecting a drive mode
Viewing and playing back images
Erasing images
Protecting images
Displaying images on a TV
Restoring the camera's default settings
Cleaning the image sensor
In this chapter, you get an overview in using the 40D on a daily basis—the most commonly used modes and functions such as autofocus, metering, exposure and exposure modifications, as well as evaluating images after capture from the core of everyday shooting tasks. This chapter not only explains how to set the camera controls, but it also provides insights into using the settings and getting the best results.
As explained in Chapter 1, mode selections are automatically made if you choose to shoot in a Basic Zone mode such as Portrait, Sports, Landscape, and so on. So to get the most from the autofocus, metering, and drive modes, it's best to use a Creative Zone mode such as Tv, Av, and so on.
Understanding and Using Autofocus
The speed and accuracy of focusing and the ease of manually selecting an Autofocus (AF) point are as critical to shooting as having a good onboard metering system. The 40D's overall autofocus performance is excellent, and the AF-point selection method is customizable. Getting tack-sharp focus, of course, depends on three factors: the resolving power of the lens (its ability to render fine details sharply), the resolution of ...
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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.