September 2008
Beginner to intermediate
288 pages
9h 36m
English
Content preview from The Canon EOS Digital Rebel XSi/450D Companion
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CHAPTER 7
MANUAL MODE
164
e XSi offers shutter speeds up to 30 seconds long (longer if you use Bulb mode).
Here it’s indicating a six-second exposure.
TIP: Priority Modes and Exposure Compensation
You can use Exposure Compensation with either shutter or aperture priority
mode. e camera will never alter the parameter you’ve selected, but will
instead change the other exposure parameter, as well as ISO, to achieve the
compensation you want. If it can’t get a proper exposure, it will flash the non-
priority value to indicate that your shot will be misexposed.
Manual Mode
For the ultimate in control, you’ll want to use Manual mode, which lets you ad-
just both aperture and shutter speed. To activate Manual mode, move the Mode
dial to M. e LCD screen will show both the shutter speed and aperture, with a
box around the shutter speed.
In Manual Mode, you can change both shutter speed and aperture. e menu
highlights which parameter is currently editable. Here, we’re changing shutter speed.
You can change shutter speed by turning the Main dial. If you want to change
aperture, press and hold the Exposure Compensation button while turning the
Main dial.
ADVANCED EXPOSURE
MANUAL MODE
165
Still in Manual Mode, we’re now altering aperture.
If the exposure settings you choose are over- or under
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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.