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Maximum camera's shutter speed possible when using a flash
2
votes
How can I get a black background in daylight using flash sync speed with no extra gear?
Are you sure those sport photos were mixing daylight and flash? For reasons explained by Matt, you'd need to get very close or have powerful flashes to get that effect, which is both unlikely when som …
6
votes
What exactly is flash sync speed, and should it be a factor in a buying decision?
X-sync is the lowest shutter speed during which the shutter is entirely open at some time, and thus allows use of flash. (You don't want it to light just top half of frame.)
X-sync differences don't …