Pentax AF 200FG - Manual (Page 43)

13
Manual flash shooting
Procedure
Slide the Power switch to (ON).
Set the mode dial to (FULL).
Measure the distance to the subject (between the
AF200FG and subject) and determine the
aperture value using the following procedure.
(The Guide No. varies depending on the ISO
sensitivity. Refer to the table on page 14.)
Set the lens aperture to the calculated value.
Confirm that the ready lamp is lit. Then take a
picture.
1
2
3
Example: If the subject distance (between the
AF200FG and subject) is 2.5 m,
sensitivity is ISO 100, and the wide-angle
panel is not in use, the calculation will
become as follows:
The Guide No. will be 20.
Aperture = = 8
Guide No.
Subject distance
20
2.5
4
5
00_AF200FGZ.book Page 13 Tuesday, June 19, 2007 1:42 PM