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Outdoor Flash Photography by Barbara Eddy, John Gerlach

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fig_37.jpg

Mocha is a Wired-hair Pointing Griffin who loves to romp in the tulip fields. A Canon 600EX-RT Speedlite adds light to open up the shadows in her face. Canon 5D Mark III, 180mm, ISO 800, f/11, 1/200, Shutter Priority, Cloudy WB, FEC −1.

3Becoming in sync with flash sync

 

THE CAMERA’S SHUTTER

The camera provides three controls for changing the exposure. The cameras ISO setting controls how much or little the sensor data is electrically amplified. The aperture controls how much light is emitted through this small hole in the lens and the shutter speed determines the amount of time light is permitted to excite the sensor.

The three controls ...

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