Chapter 9. E is for Evaluative

E IS FOR EVALUATIVE 103

MECHANICS OF E-TTL 104

LIMITATIONS OF E-TTL 106

E-TTL AND CAMERA MODES 107

FLASH EXPOSURE COMPENSATION 108

FLASH EXPOSURE LOCK 112

Figure 9.1. E-TTL is the perfect flash mode for a shoot where the distance between the subject and the Speedite changes constantly—such as a fast-paced women’s roller derby bout.

image

The Short Version

There are two great reasons to have the power level of your flash controlled automatically:

• You don’t know enough to do it yourself.

• You’re shooting in a situation where the distance between the subject and flash changes constantly.

Canon’s Evaluative Through-The-Lens ...

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