when I get another flash or 2 (430ex's) and I want to use it/them as a slave at longer distances, I can only use the IR trigger for about 8m - the longest sync cable I have seen is 10m. what do you suggest for longer distances? If I use an optical trigger then chances are it will be set off by the pre - flash...
Have a look at bowens pulsars, you would need a unit for each flash and one for the camera (I think). But they have a pretty long range.
Also do the sync cables allow ettl to work as normal?
I'm pretty sure they don't as the only communication between the camera and flash is the trigger voltage? I always use manual for this, but if you don't want to, then you could buy a light meter that does flash and/or cord readings.
You can buy specific TTL cables but they tend to be only a few feet long.
I ask because there is a nice jump at our local and I like to use the 70-200 to get the pics and being f4 to get nice bokeh i need to be about 135mm (above 200mm equiv) The shots at the mo are good but the sky is washed out so I need a flash unit closer to the rider to get more power whilst still keepin the sky detail.
If the rider is against the sky then yeah, I rekon flash, but if the rider is not up in the sky but against trees and you can see the sky, then you could give ND grad (Neutral Density gradient) filters a go?
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