Canon 580EX

GN190 (with zoom head at 105mm)

durations1/833 sec. (full power);1/1700(1/2); 1/3400 (1/4)

power source: 4 ‘AA’ batteries, CP-E3, CP-E2 or Transistor Pack E

plug: 1/8″ miniphone

size: 3.0″ x 5.3″ x 4.5″

price$250-320 (eBay)

pros: Fast durations, relatively powerful, compact size

cons: Expensive

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