(another) idiot 430ex question

divamum · May 6, 2009

Still finding my way around my flash, but a basic features/controls question this time: I want to use 2nd curtain synch off camera, fired with the ste2. When I switch it to slave, the 2nd curtain synch button on the flash doesn't do anything (either in manual or ETTL), and the camera itself has 2nd curtain in the flash settings menu greyed out (it's an xsi).

Am I missing something somewhere? :scratch I've read the manual (and assorted online sites) multiple times and just can't figure this out.... Thanks in advance!

pathfinder · May 6, 2009

divamum wrote:

Still finding my way around my flash, but a basic features/controls question this time: I want to use 2nd curtain synch off camera, fired with the ste2. When I switch it to slave, the 2nd curtain synch button on the flash doesn't do anything (either in manual or ETTL), and the camera itself has 2nd curtain in the flash settings menu greyed out (it's an xsi).

Am I missing something somewhere? I've read the manual (and assorted online sites) multiple times and just can't figure this out.... Thanks in advance!

Interesting question. My 580ex II also, when slipped into Master or Slave Mode, no longer lights the 2nd curtain synch pixel either, even when it was on before turning on Master or Slave mode.

The ST-E2 does support High Speed Synch, but does not have a button for 2nd curtain synch.

I cannot find a specific answer in my 1DSMKII manual, nor on the photonotes.org link about second curtain synch - http://photonotes.org/articles/eos-flash/index2.html#secondcurtain

In "Canon DSLR" by Christopher Grey it says on page 221 "You can program Flash Exposure Compensation, High Speed Synch, or any of feature of the speedlite ( with the exception of Second Curtain Synch ) into the Master, but understand that the same settings will be applied to each of the slaves" This makes we wonder if 2nd curtain synch is available as a Slave unit at all.

Flyinggina · May 6, 2009

I ran into the same "problem" with my 580EX II.

Wonder if this is true as well for the Nikon speed lights.

Virginia

divamum · May 6, 2009

Well, phooey - this suggests that's simply the way it works rather than user error.

Back to the drawing board....!

cmason · May 6, 2009

Found on the net:

"Please note that second curtain sync is available only when the flash is directly attached to body or connected with a ETTL sync cable.
The second curtain sync is not available for flash connected via PC Sync cable or wireless radio trigger."

I suspect this has to do with all the flashes that go on with the wireless to communicate ETTL settings to the flash: probably too much going on or that the timing between the ST-E2 and the flash is not fast enough for it to work.

ziggy53 · May 6, 2009

It looks like the problem with using an E-TTL master/slave and not getting second-curtain functionality are pretty well documented, just not by Canon.

I believe that you need to use "dumb" master/slave combinations, as in simple optical or radio slaves that do not communicate with the camera and then the flashes need to be either auto or manual mode flashes. Second-curtain operation will work with the simple slaves.

divamum · May 6, 2009

Thanks, boys. I swear I googled for about half an hour without finding that, cmason - you obviously have better search string karma than I do

At least now I know and won't sit there morosely holding down the button and wondering why it won't work

If I ever seriously need it, I'll rethink my triggering system, but for the time being I'll just deal with it. Thanks!

pathfinder · May 6, 2009

cmason wrote:

Found on the net:

"Please note that second curtain sync is available only when the flash is directly attached to body or connected with a ETTL sync cable.
The second curtain sync is not available for flash connected via PC Sync cable or wireless radio trigger."

I suspect this has to do with all the flashes that go on with the wireless to communicate ETTL settings to the flash: probably too much going on or that the timing between the ST-E2 and the flash is not fast enough for it to work.

Can you please post the link for this statement?

Somehow I was thinking the new ETTL/iTTL PWs supported 2nd curtain, but I'll have to recheck their website tomorrow.

cmason · May 7, 2009

pathfinder wrote:

Can you please post the link for this statement?

Somehow I was thinking the new ETTL/iTTL PWs supported 2nd curtain, but I'll have to recheck their website tomorrow.

I need to look at the browser history on my other computer, but I did find a similar reference here as well:

http://photonotes.org/articles/eos-flash/index3.html#enablesecond

here it mentions "[FONT=Verdana, Arial, Helvetica, sans-serif][SIZE=-1]second-curtain sync requires a dedicated Speedlite flash unit - it isn’t supported on flash units connected via a PC socket"[/SIZE][/FONT]

edit: here is the link, from a Flickr group thread...whether you think this is a reliable resource or not is up to you...it does match what we are seeing: http://www.flickr.com/groups/canondslr/discuss/72157608259185325/

JohnBiggs · May 7, 2009

The wireless is using pre-flashes which screws up second curtain sync. Just use a radio slave. A set of alienbee CyberSyncs cost less than the STE thing.

pathfinder · May 7, 2009

2nd curtain for an EOS flash requires it to be on the camera hot shoe or an off camera ettl cord.

Still searching about the FlexTT PW devices. They talk about HyperSynch and higher speed native synching, but I do not find reference to 2nd curtain synching in a quick scan of their site. http://www.pocketwizard.com/products/transmitter_receiver/flextt5%20canon/

divamum · May 7, 2009

JohnBiggs wrote:

The wireless is using pre-flashes which screws up second curtain sync. Just use a radio slave. A set of alienbee CyberSyncs cost less than the STE thing.

Perhaps, but if you already own an ste2.....

divamum · May 7, 2009

pathfinder wrote:

2nd curtain for an EOS flash requires it to be on the camera hot shoe or an off camera ettl cord.

Still searching about the FlexTT PW devices. They talk about HyperSynch and higher speed native synching, but I do not find reference to 2nd curtain synching in a quick scan of their site. http://www.pocketwizard.com/products/transmitter_receiver/flextt5%20canon/

Thanks PF - I appreciate your further research

jeffreaux2 · May 7, 2009

I had a thread about this exact subject some time ago on Dgrin. I had spent about 20 minutes at a wedding.....well...while they were decorating...trying to get a 2nd curtain with the STE2. To cut to the chase...it simply wont work.

(another) idiot 430ex question

Comments