You can use them for manual sync, but not TTL with your 503 CW. This is especially true if you connect your Pocket Wizards to your computer via the USB port, and using the utility software, set up one of the channels as strictly manual, so the unit will not transmit or receive TTL information.
This is how I have mine setup - channel 1 for TTL control with speedlites and Canon SLR, and channel 2 as basic sync to use with everything 'not Canon' as well as older pocket wizards. It works splendidly...
Marc!
This is how I have mine setup - channel 1 for TTL control with speedlites and Canon SLR, and channel 2 as basic sync to use with everything 'not Canon' as well as older pocket wizards. It works splendidly...
Marc!
Well one advantage of using TTL would be squeezing every last drop of hypersync/high speed sync out of tiny speedlites to balance your flashes to sunlight (ie sync at ridiculous >1/1000th second shutter speeds). This has been something of a revelation with the TTL Pocket Wizards, enabling wide portraiture apertures whilst using the sun as a backlight and so on (like you can do with a 'portable' studio flash and powerpack).
Marc!
range, and putting your flash out of line of sight of other flashes... f'rinstance lighting the doorway of a room you can't see behind a subject, or in architectural photography...
Marc!
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