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Manual Flash
Refer to page 25 for the features and conditions of use
of this flash mode.
Procedure
Turn on the power switch.
Press the flash mode button (MODE) to display
(M) (1/xx) on the LCD panel.
●
You can set the flash output from 1/1 to 1/64. See
page 18.
Set the zoom position. (The setting method
differs according to your camera and lens. Refer
to page 21.)
Set the lens aperture according to the distance to
the subject.
●
Refer to page 82 for the guide number table.
Example:
If the flash zoom position is 50mm, subject distance
(between the AF540FGZ and subject) is 4 m, and
sensitivity is ISO 100, the calculation will be as
follows:
With flash output (1/1), the Guide No. will be 45
(according to the Guide No. table).
Aperture = Guide No. 45 / Subject distance 4 m =
11.25 Approx. 11 (F/Stop)
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AF540FGZ_OPM_ENG.book Page 30 Friday, January 14, 2011 12:44 PM