Attaching EF 2x III Extender

Started 6 months ago | Discussion thread
Hank3152
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Re: Attaching EF 2x III Extender
In reply to wihakowi, 6 months ago

wihakowi wrote:

I believe the manual says to turn off the camera before switching lenses, I know I always do. Is there any power or communication between the body and lens when the camera is off? If not, what's the difference in what order you attach lens and converter?

Steve

I didn't see anything about powering off in any of my camera manuals, 7D, 1DmkIV or 5DII, and I know several pro sport shooters who never turn the power off when swapping lenses for obvious reasons.

However, that being said, unless I'm in a hurry I always power off.........just in case there could possibly be a chance of a glitch.........

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Regards,
Hank
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