"Slow sync flash : A flash mode designed for low light contition witrh long shutter speed". Any examples ?
Question: When do I need the long shutter speed ?
Answers: I hope this helps to answer your question.
Electronic flash has a duration typically of 1/1000 to 1/10,000/sec and needs to sync with the opening and closing of your lens.
Using a shutter speed longer than say 1/60th or 125th/sec would be futile and would only tend to blur your image since the lens would stay open long after the electronic flash had reached it's peak.
Photographic pictures using flashbulbs (takes longer than electronic flash to reach it's peak output) however, do have a longer sync time (perhaps 1/30th second and slower) than the more modern electronic flash and the shutter stays open longer.
There is a method also of painting light on, say, large building fronts by opening and leaving open your shutter (say, using the bulb or B setting which holds the lens open as long as the button is depressed or the T setting, Time exposure which will open the lens when you push the shutter release and then closes the lens when the shutter release is pressed a second time) while you strategically paint the front of the building with multiple flashes but, this is a technique that requires much experience before it's perfected.
The long shutter speed you refer to means a speed you will use in low-light situations (where you will NOT be using your flash) and requires a wide aperture (lens opening) and slow shutter speed (according to what your light meter says) in order to properly expose the image.
Here's a website with a good explanation along with some examples.
http://digital-photography-school.com/bl...
Answers: I hope this helps to answer your question.
Electronic flash has a duration typically of 1/1000 to 1/10,000/sec and needs to sync with the opening and closing of your lens.
Using a shutter speed longer than say 1/60th or 125th/sec would be futile and would only tend to blur your image since the lens would stay open long after the electronic flash had reached it's peak.
Photographic pictures using flashbulbs (takes longer than electronic flash to reach it's peak output) however, do have a longer sync time (perhaps 1/30th second and slower) than the more modern electronic flash and the shutter stays open longer.
There is a method also of painting light on, say, large building fronts by opening and leaving open your shutter (say, using the bulb or B setting which holds the lens open as long as the button is depressed or the T setting, Time exposure which will open the lens when you push the shutter release and then closes the lens when the shutter release is pressed a second time) while you strategically paint the front of the building with multiple flashes but, this is a technique that requires much experience before it's perfected.
The long shutter speed you refer to means a speed you will use in low-light situations (where you will NOT be using your flash) and requires a wide aperture (lens opening) and slow shutter speed (according to what your light meter says) in order to properly expose the image.
Here's a website with a good explanation along with some examples.
http://digital-photography-school.com/bl...
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