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Canon EOS 70D Digital Field Guide by Charlotte K. Lowrie

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Chapter 9: Working with Flash

When you use the built-in flash or pair the EOS 70D with a Canon Speedlite, a new world of light and light control opens for you. The 70D enables you to control functions of both the built-in flash and an accessory Speedlite directly from the camera menu. You can set the metering, flash sync speed in Aperture-priority AE mode ( aperturepriorityae.eps ), Flash Exposure Compensation, bracketing, shutter synchronization, flash ratio, and Custom Functions for compatible EX-series Speedlites. In addition, you can use wireless flash with radio or optical transmission depending on the Speedlite you’re using. The camera’s built-in flash serves as the master control unit to trigger one or more Speedlites. So, whether you use only the built-in flash or multiple Speedlites, learning to use flash broadens your shooting possibilities in both practical and creative ways.

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This image was made with one Canon Speedlite mounted to a stand and a large silver reflector camera-right. The flash was diffused with an umbrella. Exposure: ISO 160, f/16, 1/125 second.

Deciding When to Use Flash

Some photographers hate using flash and others love it. For years, I avoided flash, not only because it was difficult to use, but also because, in my opinion, it created a sterile, unappealing light that neither ...

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