jzucker wrote: ...I\'m not sure why you\'d run the canon in manual mode and then use the hypersync option on it...
More output power.
High Speed Sync drops the power by about two thirds in order to get the 50Hz (if I recall) pulsing. With Hypersync or other brands\' sync speed optimization, you get full output* and still get a little bit faster shutter speed than the usual 1/250 or 1/200 limit.
You could also then use the flash from the optimized 580EX to trigger the optical sensors on studio strobes, and the latter would then also be triggered with optimized timing. With the 580EX in Manual mode there\'d be no preflashes to confuse the remote strobes.
* Although the 580EX fires at full output, there is still some loss at the camera, because the sync timing is changed and the sensor is picking up the tail end of the pulse\'s curve.
[Edited a typo. I burned myself making Pommes Anna for Christmas dinner, and I literally \"fat fingered\" my typing.)
jzucker wrote: ...I\'m not sure why you\'d run the canon in manual mode and then use the hypersync option on it...
More output power.
Hight Speed Sync drops the power by about two thirds in order to get the 50Hz (if I recall) pulsing. With Hypersync or other brands\' sync speed optimization, you get full output* and still get a little bit faster shutter speed than the usual 1/250 or 1/200 limit.
You could also then use the flash from the optimized 580EX to trigger the optical sensors on studio strobes, and the latter would then also be triggered with optimized timing. With the 580EX in Manual mode there\'d be no preflashes to confuse the remote strobes.
* Although the 580EX fires at full output, there is still some loss at the camera, because the sync timing is changed and the sensor is picking up the tail end of the pulse\'s curve.
Dec 25, 2011 at 11:06 PM
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