Photon Offline Buy and Sell: On
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['NEW Fix' UPDATE!] - MkIII AF still broken | |
apdieb wrote:
... I am becoming more and more convinced that the AF sensors are locking on objects with more texture/contrast in the frame regardless of the point chosen. Seems like for me no matter what adjustments I make, the tendency (not always) is to lock on the grass in front of the subject (if it's in the frame). This is with center point manually selected and AI_Servo. I have no idea why grass is my major contributor...but all I know is that when it's predominately in the frame, my camera wants to grab it out in front...regardless of my AF point being squarely and consistently on the subject.
All these adjustments seem to be helping...but I am convinced there is something inherently wrong with the way the AF is interpreting the scene and we're having to make adjustments to fool the camera into actually misfocusing based on where it thinks it should be vs. where we want it.
The more I use the camera, the more the odd AF tracking errors seem to fit exactly that pattern, and grass, trees, or shrubbery are usually involved. It doesn't require sports action, either. An outdoor wedding can have a great expression lost because it's OOF. I did the last one with my 1DII and 1DIII. It was raining, very dim light, and the MkIII caught some great stuff under very difficult circumstances. I suppose the MkII was given less demanding tasks (indoors and under a canopy, using flash), but at any rate, it nailed the focus on every shot. I just want a perfect camera, that's all. Is that really too much to ask? 
To be fair, I've occasionally missed follow-focus shots at weddings with the MkII in past years, and it's hard to compare the two cameras directly for that.
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