Does Canon FD Extender 2x-A behave differently on NEX than on Canon FD cameras?

Started Oct 14, 2012 | Discussions thread
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lwalter
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Does Canon FD Extender 2x-A behave differently on NEX than on Canon FD cameras?
Oct 14, 2012

I recently acquired a used Canon FD Extender 2x-A and read too late that this was usable only on lenses with f greater than 300mm.

I have a Canon FD 300 mm f2/2.8. So I confirmed that it worked... but I decided to see what was happening with lenses smaller than 300mm and it still works, not only with my Canon FD 200 F/2.8, but even on my Canon FD 24 2.8!

I didn't notice any issue with infinity focus.

Just out of curiosity, is this "normal" behavior or is just working I'm using this extender on a NEX with a FD adapter?

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