Pentax AF540FGZ - Manual (Page 83)

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The shooting distance parameters will be displayed on
the LCD panel. Make sure that you are within the flash
effective range before taking pictures.
●
The effective flash range is displayed for the
following camera and lens combinations.
If the maximum distance exceeds 22 meters,
(
) will blink. If the minimum distance is 0.7m
or less, ( ) will blink.
● The flash effective range varies depending on
ISO, lens aperture in use, and/or the zoom
position (flash coverage angle). Keep this in
mind especially when you are using a variable
aperture zoom lens.
Effective flash range indicator
Camera Lens Types
*ist D series
DA, D FA, FA J, FA, F,
A
35mm autofocus single
lens reflex cameras
(except for SF series)
D FA, FA J, FA, F, A
645N2, 645N FA645
Display of Flash Effective Range
00_AF540FGZ.book Page 81 Monday, April 10, 2006 11:42 AM