Sony HVL-F42AM - Manuel (Page 84)

GB 34
High-speed sync (HSS)
High-speed sync eliminates the restrictions of flash sync speed and enables the
flash to be used through the entire shutter speed range of the camera. The increased
selectable aperture range allows flash photography with a wide aperture, leaving
the background out of focus and accentuating the front subject. Even when
photographing at a wide f-stop in the A mode or M mode of the camera, when the
background is very bright and the shot will normally be over-exposed, you can
adjust the exposure by using the high-speed shutter.
Press the HSS button.
• The high-speed-sync lamp lights up.
High-speed sync Normal flash