Pocketwizard AC57 Adapter

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The Mamiya AC57 Power Adapter for AC7 Shield by PocketWizard allows use of the PocketWizard AC7 RF Hard Shield with an external battery source. The AC57 sequesters the battery's po wer cable in a position that minimizes electro-magnetic interference so that the AC7/AC57 combination can effectively increase the range and reliability of your Canon 580EX / EX II Speedlite. Compatibility Pocketwizard AC57 Adapter Key Features This provides the best shielding against RF noise and greatly improved working distance Fits into the high-power terminal of a Canon 580EX or 580EXII Show more