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01-04-2008
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#1 (permalink) |
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Vicuna
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Canon 40D internal flash trigger Sigma Super 500 DG Flash
Hello,
I have a canon 40d and a Sigma Super 500DF flash. I have been told I can get the 40D internal flash to trigger the Sigma flash. I read the manual, but I can't figure it out how to do it. Anyone successfully accomplished this? Cheers Ric __________________
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01-04-2008
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#2 (permalink) |
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Dromedary
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
I'm not familiar with the Sigma flash. But it would need either to be compatible with the Canon eTTL system or it would need to have both an optical slave and the ability to ignore the pre-flash from the 40D's built in flash.
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01-04-2008
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#3 (permalink) |
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Camel Breath
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
Here is the compatibility list: Compatibility Table for ELECTRONIC FLASH EF-500 DG SUPER - SIGMA CORPORATION
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__________________
¿ <°)))))>< |
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01-11-2008
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#4 (permalink) | |
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Llama
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
Looking forward to adding to my education, but I don't think it is that simple.
Can the 40D trigger other Canon flashguns from its pop-up flash? I did not think it could to that ....  Quote:
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01-11-2008
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#5 (permalink) | ||
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Photocamel Master
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
Quote:
Quote:
It can only trigger externalflashes with a master flash (550ex/580ex/580exII/MT24ex/MR14ex) in it's hotshoe, or with the dedicated unit (ST-E2). Third-party flashes would need an optical slave trigger, but must be able to identify the Canon pre-flash, otherwise they will kick in too soon... AFAIK no such flashunits are available for purchase on the market. ...€0.02... Kindest regards! Max@Home |
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__________________
[All Canon] [EF16-35L II] [EF24-70L] [EF24-105L IS] [EF28-300L IS] [EF70-200F2.8L IS] [EF100-400L IS] [EF50F1.4] [EF85F1.2L II] [EF135F2.0L] [EF 1.4x II] [270ex] [430ex II] [580ex II] [ST-E2] [CP-E4] [EOS-1D Mk III] [EOS 5D MkII with BG-E6] [CPS Europe member] ...PBase images ?? ...or: SmugMug images ?? |
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01-11-2008
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#6 (permalink) | |
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Camel Breath
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
Quote:
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__________________
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01-11-2008
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#7 (permalink) |
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Photocamel Master
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
...as said, as an optical slave it would have to recognize the preflash of the Canon E-TTL system...
...if it does not (which I suspect) then the slave will go off too soon... ...€0.02... Max@Home |
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__________________
[All Canon] [EF16-35L II] [EF24-70L] [EF24-105L IS] [EF28-300L IS] [EF70-200F2.8L IS] [EF100-400L IS] [EF50F1.4] [EF85F1.2L II] [EF135F2.0L] [EF 1.4x II] [270ex] [430ex II] [580ex II] [ST-E2] [CP-E4] [EOS-1D Mk III] [EOS 5D MkII with BG-E6] [CPS Europe member] ...PBase images ?? ...or: SmugMug images ?? |
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01-11-2008
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#8 (permalink) |
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Camel Breath
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
There is no pre-flash in manual mode, though that would only be for a shoe mount. Anyway, there are many flashes that claim to ignore the digital preflash out there, in fact, I seem to remember some inexpensive Canon flashes designed to work as optical slaves with Powershot cameras.
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01-11-2008
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#9 (permalink) |
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Camel Breath
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Re: Canon 40D internal flash trigger Sigma Super 500 DG Flash
OK, in the compatibility list above, There is a note that definitively says that, no it cannot trigger it with the pop-up flash by itself. Like Max, said, there is no manual flash mode with with the pop-up flash. There are a ton of alternate solutions to off camera flash at Strobist.
__________________
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