Calumet Speedlight Powerblock 900

Started Sep 27, 2012 | Discussions thread
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49thstreet New Member • Posts: 7
Re: Calumet Speedlight Powerblock 900

Yes, I use it with my 580 EXII. Lasts me through a whole wedding shoot with plenty of power to spare. I am happy with it.

 49thstreet's gear list:49thstreet's gear list
Sony RX1 Sony Alpha 7R Sony a6000 Sony Alpha 7R II Leica Summicron-M 35mm f/2 ASPH +6 more
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