8.5 USING SLOW SYNC
 
 
 
 
 
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Often, pictures taken with flash show a well exposed foreground subject against a black or dark background. The slow synchronized mode is designed to minimize this problem by leaving the shutter open longer than usual to lighten the background.

In many cases, the slow shutter speed used in this mode allows blur from rapidly moving objects or camera shake to appear as blur in the images. To avoid blur, use a tripod and photograph static subjects. Or, use this effect creatively. A short flash burst combined with a long shutter speed gives interesting effects. The flash freezes objects sharply, and then the dim ambient light blurs the image slightly and moving lights appear as streaks.

flash_and_normal.jpg (33397 bytes)
A slow shutter speed and flash combined to create this photo showing both sharpness and blur.

 

TIP

When the flash is set to slow sync, long exposure times may create unwanted blur in the image. At times like this, you may want to use a camera support (see Topic 0.0.)

 

How To: Using Slow Sync

Look in your camera manual for a section on slow synchronized flash:

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