The Quantum MB5 connection cable will allow a QB1+ or QB1c battery pack to power the following flashes:
Canon 580EX
Phoenix APZ 99C
Promaster 5550DX, 5750DX, FTD5600M, 5700M, 5950, 6500M, 7000M,
Vivitar 730AFC
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Comments about Quantum Instruments MB5 Dedicated Module (Connection Cable) - to Power Canon 580EX, Phoenix APZ 99C, Some Promaster's & Vivitar 730AFC Flash with QB1+ or QB1c Battery Pack:
Better than using double A batteries.
Comes with Velcro to close battery door.
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Comments about Quantum Instruments MB5 Dedicated Module (Connection Cable) - to Power Canon 580EX, Phoenix APZ 99C, Some Promaster's & Vivitar 730AFC Flash with QB1+ or QB1c Battery Pack:
This adapter does the job - it's a little cumbersome but that is not the fault of the product.
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Comments about Quantum Instruments MB5 Dedicated Module (Connection Cable) - to Power Canon 580EX, Phoenix APZ 99C, Some Promaster's & Vivitar 730AFC Flash with QB1+ or QB1c Battery Pack:
This module connects my Quantum QB1+ to my Canon580EX Speedlight.
I lost my first one after four years. That one never malfunctioned and held up well. This one is identical.
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Comments about Quantum Instruments MB5 Dedicated Module (Connection Cable) - to Power Canon 580EX, Phoenix APZ 99C, Some Promaster's & Vivitar 730AFC Flash with QB1+ or QB1c Battery Pack:
I use the these cords to connect the Quantum Plus batteries to Canon 580 or Vivitar 285hv flash units. They always works perfect.
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Comments about Quantum Instruments MB5 Dedicated Module (Connection Cable) - to Power Canon 580EX, Phoenix APZ 99C, Some Promaster's & Vivitar 730AFC Flash with QB1+ or QB1c Battery Pack:
These fit the very popular series I 580 which was the predesessor to the 580 EXII. They are not interchangeable. This is a trapezoid shape or "drunk square" and the MB2 for the 580 II is square. Somehow I think folks tend to get these confused.
In addition ProMaster (which is a distributor, not a manufacturer) has line of flashes made for them that this cable fits and are fairly price point specific. (means a bargain when on sale) otherwise they are in the SunPak price range because they probably came out of the same place under their name.
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