Canon 5D + 580EX

"½ Confused" wrote in message
...
Rehrasing the question:

I have a Canon 5D and a 580EX flash. I cannot get rear (2nd curtain)
sync to work. I've read all the manuals, checked the settings, and
studied the relevant sections of the excellent 3rd party EOS flash
white paper as well as Canon's stuff (which side-steps the rear
curtain). (I'm convinced at this point the 580EX doesn't do 2nd
curtain... would like to know before calling Canon tomorrow.)

Are any 5D owners using 2nd curtain sync, and if so, what flash are
you using and were there any undocumented settings involved?

Jeff

Hi Jeff.

Am I correct in assuming that you've done a full test to ensure that second
curtain sync is not actually happening?

I have a 350D and 430EX and wanted to demo the second-curtain sync to a
friend.

I got my friend to hold a torch in her left hand. Her hands were apart and
she slowly swungher left hand, with the torch, over to meet her right hand.
I took two photos. Each used a slow shutter speed; one used second curtain
sync and the other used first curtain sync.

With first curtain sync we could see that her hands were apart and the line
traced out by the torch light went between the two hands.
With second curtain sync her hands were together and the line from. the
torch light led up to her hands.

Apologies if I'm trying to tell you something which you have already tried.

Regards, Ian.