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DPChallenge Forums >> Photography Discussion >> canon flashes and strobes
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07/23/2007 10:40:44 PM · #1
can a canon flash trigger the strobes? i want a canon flash but is very important that i can work whit my strobes in together

any one know?

thansk in advance

Message edited by author 2007-07-23 22:41:30.
07/23/2007 11:20:32 PM · #2
Does the 5D have a Sync Connection on it. Some strobes if equiped with an optical slave can on the firing of the flah, most wont work IR. But theres always sync cables or radio transmitters.
07/23/2007 11:28:13 PM · #3
Originally posted by renefunk:

can a canon flash trigger the strobes?


Optically? Yes. This means the strobes will fire off of the Canon flash when they "see" the flash fire. The strobes will, of course, be completely manual and you'll have to either shoot the Canon flash in manual or find some way to deal with the ETTL preflash.

Wirelessly (IR/radio/etc)? No, the strobes will not sync to the Canon flash with this method without some kind of an adaptor.

The 5D does have a PC sync connection.
07/23/2007 11:58:32 PM · #4
yeah, i always trigger the strobes firing an external flash. A metz meca blitz. very old one. attached in the pc connection of de 5d.
the metz and the strobes sincronized perfectly. so i ve working that way long ago. the thing is if i raplced the metz for a more accurate canon something flash. if i attach that one on the shoe up of the 5d.

will they sicro?
07/24/2007 02:46:29 AM · #5
As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.
07/24/2007 02:54:40 AM · #6
Originally posted by Mr_Pants:

As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.

canon flashes have no pre flash. there AF assist is a red beam emiited
07/24/2007 02:58:24 AM · #7
Originally posted by noisemaker:

Originally posted by Mr_Pants:

As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.

canon flashes have no pre flash. there AF assist is a red beam emiited


I beg to differ. In the E-TTL system, the pre-flash is used to determine the amount of light the flash needs to put out during the actual exposure. Almost any optically-triggered slave will fire on this pre-flash. AF assist is a different thing altogether.
07/24/2007 08:31:17 AM · #8
Originally posted by Mr_Pants:

Originally posted by noisemaker:

Originally posted by Mr_Pants:

As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.

canon flashes have no pre flash. there AF assist is a red beam emiited


I beg to differ. In the E-TTL system, the pre-flash is used to determine the amount of light the flash needs to put out during the actual exposure. Almost any optically-triggered slave will fire on this pre-flash. AF assist is a different thing altogether.


If the flash is in Manual mode, there is no pre-flash.
07/24/2007 10:45:14 AM · #9
Originally posted by Mr_Pants:

Originally posted by noisemaker:

Originally posted by Mr_Pants:

As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.

canon flashes have no pre flash. there AF assist is a red beam emiited


I beg to differ. In the E-TTL system, the pre-flash is used to determine the amount of light the flash needs to put out during the actual exposure. Almost any optically-triggered slave will fire on this pre-flash. AF assist is a different thing altogether.


i always shoot with e-ttl and i never get a pre flash
07/24/2007 10:50:59 AM · #10
Originally posted by noisemaker:

Originally posted by Mr_Pants:

Originally posted by noisemaker:

Originally posted by Mr_Pants:

As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.

canon flashes have no pre flash. there AF assist is a red beam emiited


I beg to differ. In the E-TTL system, the pre-flash is used to determine the amount of light the flash needs to put out during the actual exposure. Almost any optically-triggered slave will fire on this pre-flash. AF assist is a different thing altogether.


i always shoot with e-ttl and i never get a pre flash


You do, indeed, get a pre-flash. It just happens so quickly that you don't notice it. The E-TTL system cannot work without one. If you see a hint of flash through the viewfinder, that's the pre-flash. The main flash is not visible through the viewfinder, as the mirror is already up.
07/24/2007 10:52:03 AM · #11
Originally posted by Spazmo99:

Originally posted by Mr_Pants:

Originally posted by noisemaker:

Originally posted by Mr_Pants:

As SamDoe1 says, the pre-flash of the Canon unit might cause a problem, in that it most likely will trigger the flashes too soon.

If you're only using the flash to trigger the strobes, then perhaps it's just as well to carry on doing that and get a Canon unit for shooting outside the studio environment.

canon flashes have no pre flash. there AF assist is a red beam emiited


I beg to differ. In the E-TTL system, the pre-flash is used to determine the amount of light the flash needs to put out during the actual exposure. Almost any optically-triggered slave will fire on this pre-flash. AF assist is a different thing altogether.


If the flash is in Manual mode, there is no pre-flash.


Good point, but, to clarify, that is manual, though, not E-TTL. (Are there really enough commas in that sentence?)
07/24/2007 04:51:05 PM · #12
thanks for the help fellas
07/26/2007 09:02:34 AM · #13
Originally posted by noisemaker:


i always shoot with e-ttl and i never get a pre flash


if you can set your camera to 2nd curtain sync, do that, set your exposure to 1 sec and flash to E-TTL, and you will, indeed, see two flashes, one just before the exposure, and one at the end (the real flash).
07/26/2007 09:38:02 AM · #14
Originally posted by noisemaker:


i always shoot with e-ttl and i never get a pre flash


Then you are not shooting in e-ttl, not seeing the pre-flash or your gear is in need of repair.
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