Shocking insight: AF is not a closed feedback loop!

Started Jul 18, 2003 | Discussions thread
OP Mishkin™ Contributing Member • Posts: 917
Re: hmm, AF sensor vs image sensor

Pekka Saarinen wrote:

Did you try the test I suggested in
http://forums.dpreview.com/forums/read.asp?forum=1019&message=5627244 ?

Some empiric evidence would be in order. I'm not saying I don't
believe you and I'm not saying I do. All I'm saying that you should
not be the one to announce your theories correct, especially
without undisputable empiric evidence.

Hmm... I never observed the lens jump intermitently between two points like 1-2-1-2-1-2... Usually what I see is like 1-1-1-2-2-3-1-1-2-2-2-2-3-3-1-3-3-3...

I don't understand what test like this proves. Obviosly, a curve fitting is performed by AF processor and different data from multiple attempts leads to different fitting.

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Mishkin

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