Quote:
Originally Posted by chris-p
Just as well you came along OB - I assumed that an AF Tcon meant working AF!!
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Yes, AF Tcon will auto-focus but only when the maxium F-number is F6.3 or less with it attached. So a F2.8 lens would give you a F5.6 with the teleconverter. If it's an F4 lens then it would go to F8 which means only semi-pro or pro cameras would still retain auto-focus.
