Help, please! Canon 7d + Canon 600ex-rt + Vello TTL OCF cord = won't fire

Started Dec 30, 2012 | Questions thread
Are Swift
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Re: Help, please! Canon 7d + Canon 600ex-rt + Vello TTL OCF cord = won't fire
In reply to slowhands, Jan 2, 2013

slowhands wrote:

Much of successful photography is problem solving.

When you have tested and eliminated all the variables, the problem will be obvious.

Could be you have a bad cord/connections between the camera and the flash,

It happens even with Canon cords. Always have a known good Plan B/spare gear,

Much thanks to all who replied, I was away from the internet for a few days and after much foul language and gestures toward the equipment found the culprit.

The locking mechanism on the 600ex-rt will actually cause the the pins to shift just enough out of alignment as to prevent the unit from firing, but will still keep it in enough alignment to allow control of the flash through the camera.

Keeping the flash unlocked will fire the flash, but has it's obvious drawbacks. <sigh> That's one shady Canon tax...

Ryan

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