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DPChallenge Forums >> Hardware and Software >> Canon st-e3-rt & Flash focus assist??????
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Showing posts 1 - 6 of 6, (reverse)
AuthorThread
Canon EOS-40D
Sigma 24-35mm f/2.0 DG HSM A
 01/19/2013 02:05:12 PM · #1
Does the focus assist on a 430ex, 580exii or 600ex light up when using a Canon st-e3rt as a trigger?

Canon EOS-40D
Sigma 24-35mm f/2.0 DG HSM A
 01/19/2013 03:17:50 PM · #2
bump
Canon EOS-40D
Sigma 24-35mm f/2.0 DG HSM A
 01/20/2013 01:48:33 PM · #3
Bumping
Canon EOS-550D Rebel T2i
Canon EF 50mm f/1.8 II
 01/20/2013 03:41:19 PM · #4
I don't know, but if it does, I don't think it would be useful. The assist lines are setup to match the focus points. If the light is off camera it would be very difficult to line up the assist lights to actually overlap with the focus points.
Canon EOS-5D Mark III
Canon EF 24-105mm f/4.0 L IS II USM Lens
 01/20/2013 05:17:47 PM · #5
Originally posted by bhuge:
I don't know, but if it does, I don't think it would be useful. The assist lines are setup to match the focus points. If the light is off camera it would be very difficult to line up the assist lights to actually overlap with the focus points.


I don't think he is asking if it will help focus, just if they flash on/off like they do for cameras that support off camera flash like my 7D.
Canon EOS-40D
Sigma 24-35mm f/2.0 DG HSM A
 01/22/2013 08:18:28 PM · #6
Originally posted by bhuge:
I don't know, but if it does, I don't think it would be useful. The assist lines are setup to match the focus points. If the light is off camera it would be very difficult to line up the assist lights to actually overlap with the focus points.


A;ways wondered if those lines synced wth the focus lines on the body lol. The st-e3 doesn't have focus assist lights. And I'm looking for a focus assist solution if I was triggering with the st-e3.
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