fjrabon
Been spending a lot of time on here!
- Joined
- Nov 3, 2011
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- 3,644
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- Location
- Atlanta, GA, USA
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- Photos OK to edit
Also, I think earlier you asked why anybody would ever use SU-4 instead of advanced.
SU-4 is more sensitive, so you can get more range. ie in some situations your flash may not be able to sense an AWL signal, but if you flip over to SU-4, it will, and thus you don't have to pull out the radio triggers. I find this especially helpful when I have one distant flash that there's no way in heck it's going to pick up the AWL signals, BUT it will pick up when the slave units fire, and then will fire itself off the slave units instead of the controller's AWL signals.
AWL allows you to use TTL, and/or control the power level of the flash directly from camera, whereas with SU-4 it doesn't. I don't believe AWL lets you control zoom though, but I could be wrong about that. I think it takes too long to adjust zoom for it to really work with AWL. I THINK you have to adjust zoom manually on the flash.
SU-4 is more sensitive, so you can get more range. ie in some situations your flash may not be able to sense an AWL signal, but if you flip over to SU-4, it will, and thus you don't have to pull out the radio triggers. I find this especially helpful when I have one distant flash that there's no way in heck it's going to pick up the AWL signals, BUT it will pick up when the slave units fire, and then will fire itself off the slave units instead of the controller's AWL signals.
AWL allows you to use TTL, and/or control the power level of the flash directly from camera, whereas with SU-4 it doesn't. I don't believe AWL lets you control zoom though, but I could be wrong about that. I think it takes too long to adjust zoom for it to really work with AWL. I THINK you have to adjust zoom manually on the flash.
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