Canon Macro Twin Lite MT-24EX Guide de dépannage télécharger pdf (Page 26)

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at:Selecting the Flash Tube

IfIItHlni_.

nnmllOm'il!

By firing only one of the flash tubes or by setting a flash ratio for flash tubes

A and

you can create shadows and sculptural lighting effects. You can

set the flash ratio from 1:8 to

1:1

8:1

(13 levels)

1/2-stop increments.

* The

ETTL

flash mode must be set.

* Since the flash exposure is controlled automatically, you need not bother with any

flash metering calculations.

* If you set the flash mode to M, see page 39.

The flash tube ID is "A" for the left one and "B" for

the right one when you look at the rear of the flash

ring. '

A:B=1:1

Only flash tube A fired.

A:B=4:1

Only flash tube B fired.

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Canon Macro Twin Lite MT-24EX Guide de dépannage Page 26