Ken Lin wrote:
Does anyone know of a way to control both flashes using a ST-E2 when
there is one flash on each side of the camera (about 15 feet away)?
Normally the flash units can be located slightly ahead of the camera so
their sensors are able to "see" the st-e2 sensor, but that wasn't
possible at this site.
I can rotate the flash sensors to face the camera and I'm wondering if
some sort of beam-splitter mounted to the front of the ST-E2 would work.
Small mirrors, a pair of prisms, ... ????
I was hoping that bouncing the infrared signal off of walls & ceilings
might work, but it didn't.
I was faced with this issue recently, and solved by using the Off Camera
Shoe Cord 2 cable so I can point the ST-E2 backwards such that the flash
sensors can pick up the IR transmission.
Note that this set-up will not work if you are depending on the ETTL
pre-flash to calculate the proper flash exposure.
One day I will probably get a small radio triggered slave set up to overcome
this line-of-sight limitation of the IR set up, but that's pricey and I
don't need this set up very often to really justify the radio slave trigger.
If you don't have the OCSC-2, I suppose you can always try to rig a small
mirror in front of the ST-E2 and reflect the IR signals backwards, you may
even try folding a highly reflective piece of material into a V shape and
place in front of the ST-E2 to help directing the IR signals to the
respective flashes.
Ken
Hi Ken
hhmmm... "v" shaped reflective thingy.
Sounds like it might do the trick, I'll have to mess around with some
bits and pieces and see what I can come up with.
Thanks
Rob
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