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Extension tubes

PostPosted: Sun Nov 28, 2010 4:27 pm
by aypeyret
Hi,

I can understand the need of extension tubes for macro-photography, or when used with the 1.4x focal multiplier to avoid scratching a lens that is otherwise not compatible with the focal multiplier.

However, I wonder if AF functions are transmitted through the extension tubes. Does anyone know that?

Thanks all in advance!