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Canon EOS 40D Guide to Digital Photography by David D. Busch

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Working with Long Exposures

Because the EOS 40D produces such good images at longer exposures, and there are so many creative things you can do with long-exposure techniques, you’ll want to do some experimenting. Get yourself a tripod or another firm support and take some test shots with long exposure noise reduction both enabled and disabled (to see whether you prefer low noise or high detail) and get started. Here are some things to try:

  • Make people invisible. One very cool thing about long exposures is that objects that move rapidly enough won’t register at all in a photograph, while the subjects that remain stationary are portrayed in the normal way. That makes it easy to produce people-free landscape photos and architectural photos at night ...

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