Slow-Speed Sync Photography - Pentax 540FGZ - AF - Hot-shoe clip-on Flash Operating Manual

Auto zoom electronic flash unit
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■Slow-Speed Sync Photography

When using a normal flash to photograph a subject in a
night or evening setting, the background will appear
very dark because a normal flash light cannot
sufficiently light it. However, it is possible to balance
both subject and background by using the flash to
properly expose the foreground subject and a slow
shutter speed to expose the low light background.
Before photographing, confirm the following.
1. Whether your camera support this function
➝Cameras that Support Slow-Speed Sync Mode
(page 64)
2. Whether you can use this function with the
combination of your camera and the flash mode
you have set.
➝Functions Related to Each Flash Mode
(page 64 - 71)
● Refer to the camera operation manual for details.
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