PentaxForums.com - View Single Post - get autofocus capability for your manual lenses!

Adnan EROL · 04-29-2009, 04:40 AM

Originally Posted by simico

I don't understand this... a pure MF lens doesn't have any built-in mechanics for AF, the only way to focus is to turn the focusing ring with your hand. How can a TC make it AF?? Or is it that the TC have some moving optical element used for focusing?
Enlighten me please

one more question:
Does it work for instance with a M42 lens?

04-29-2009, 04:40 AM	#15
Adnan EROL Senior Member Location: TURKEY Gallery Photos: 2 Posts: 106	Originally Posted by simico I don't understand this... a pure MF lens doesn't have any built-in mechanics for AF, the only way to focus is to turn the focusing ring with your hand. How can a TC make it AF?? Or is it that the TC have some moving optical element used for focusing? Enlighten me please one more question: Does it work for instance with a M42 lens?