Quote:
Originally Posted by avandonk
Your autofocus will not work below f4. If you don't believe me will lend you a Canon 1.4x teleconverter to try it out. PM me.
Nice images. It is really scary to see what a DSLR can do with a decent lens.
Bert
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Thanks Bert,
So as soon as I attach the extender to my f4 lens it'll become a f5.6 lens - so AF will be disabled is that correct? Not a problem for astro stuff, but a minor pain for daytime stuff - don't imagine dragging this lens about as a walk around lens though!
Doug
