LPA Design's upcoming PocketWizard AC7, a shield designed to squelch range-limiting RF noise emitted by certain Canon Speedlites, is nearing completion. In our testing of an early prototype with a Speedlite 580EX, MiniTT1-to-FlexTT5 wireless radio triggering range was almost four times longer than the same setup without the AC7 in place (and LPA Design indicates that shipping units will provide even greater RF noise suppression - and therefore longer range - than the one supplied to us).

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