HSS if shutterspeed is lower than 1/250s

Started Mar 6, 2013 | Discussions thread
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HSS if shutterspeed is lower than 1/250s
Mar 6, 2013

Hello to all,

How will a Canon 430exII behave if it is set on HSS and the camera shutterspeed is lower than max sync speed (eg. 1/250s or slower) ?

Are there any disadvantages compared to set up the flash on First Curtain ?

I'm asking because I just purchased some TTL triggers (YN622c), and I notice that when I power up the triggers, the transmitter is put by default on HSS (even if my shutter speed is lower than 1/250s).

Sure, I can change it back to first curtain; but what if I forget and I use it in HSS mode with shutter speed lower than 1/250s ?

Thanks in advance for your feeback.

Yves from Belgium.

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