Canon EOS 7 User Manual download pdf (Page 79)

Flash Photography with an EX-Series Speedlite

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• About automatic reduction of flash output

If an EOS-dedicated Speedlite is used for a subject backlit by an overhead

light, the flash output is reduced automatically to avoid having an unnatural

looking exposure. This is called automatic reduction of flash output.

• In the Basic Zone modes, flash photography Is as easy as with the built-in

flash.

• Using the < DEP > mode with flash gives the same result as the < P > mode.

High-Speed Sync (FP Flash)

When Speedlite 420EX is set to the high-speed sync mode < 5ih>, it can

synchronize at all shutter speeds, even those faster than 1/125 sec. When

high-speed sync is enabled, <^h> is displayed in the viewfinder.

High-speed sync is useful in the cases listed below.

• High-speed sync works in Creative Zone modes.

(1) When you want to use fill flash for a portrait and maintain background

blur with a large aperture.

(2) When you want to create a catchlight in the subject’s eyes.

(3) When you want to use fill flash to eliminate shadows.

The image was removed due

to copyright restrictions

The image was removed due

to copyright restrictions

With conventional flash. With FP flash.

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Canon EOS 7 User Manual Page 79