What does "EFC" stand for?

Started Jan 12, 2014 | Discussions thread
Glen Barrington
Glen Barrington Forum Pro • Posts: 19,510
Re: What does "EFC" stand for?

I've been involved with photography for 50+ years and I've never heard of either acronym. But then I'm always the last to know this sort of stuff.

FWIW, I have no idea of what an "extended field of view" would be.  Would that be "wide angle"?

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