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charlyw wrote:
It seems you are all over the place with your settings and have no clue where you want to be... It seems you are overwhelmed with the amount of possible combinations - and since you don't set up a specific test scenario you will get a lot of false results because with subject variation you also change settings in a haphazard type of frenzy... Why can't you simply take the camera, forget all about MFA, forget all about the more specialized cases (case 1 covers 95% of scenarios sufficiently well if you don't know where you need to go), forget all about the zone focusing modes (point extension is a safe bet as is all focusing points - zone is finicky as it doesn't allow to chose your subject actively, all focusing points in AI Servo does allow for that choice) and then chose something which will move in a predictable way (cars on a highway, or rides on a roller-coaster so that you get a feel for the camera behavior.
Most of your grief comes from not giving yourself the chance to learn the camera - based on previous experiences with other cameras you expect it to behave in a certain way - and yet it is documented to behave differently (case in point: you expect a certain tracking behavior in your shots with zone mode but zone mode doesn't behave like you expect. So you bump into issues that can be solved best by slowing down your own frantic pace and think before you get even more flustered...
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For those who are inclined to make haphazard and inappropriate decisions with regard to how they are setting up the camera for particular shooting situations, there would be real advantages to using cameras like the 1D Mark II or other much simpler cameras. The 1D Mark II, for example, doesn't give you the opportunity to use cases that are inappropriate for the shooting situation. It doesn't give you the opportunity to change settings for sub parameters to ones that make the camera inacapable of focusing properly. It doesn't give you the opportunity to cause the camera to front focus or back focus by carelessly changing micro adjustment settings. It doesn't give you the opportunity to use things like zone focus when zone focus is totally inappropriate for the shooting situation, and it only gives limited opportunity to use other arrays of available focus points that are inappropriate for the shooting situation. In short, the 1D Mark II and other simpler cameras give the user significantly fewer opportunities to make inappropriate decisions that can turn a well-functioning AF system into one that is completely incapable of focusing properly.
Anyone who chooses to go back and review the 25 pages of this thread or the other similar threads on this board or on other forums will notice that the bulk of the complaints about 7D Mark II focusing have been made by the same 4 or 5 people who keep posting over and over again. Of those 4 or 5 people, there are likely some who truly have cameras that haven't performed the way that they should perform, but there are also at least a couple whose poor AF performance very likely is the result of their haphazard and inappropriate decisions with regard to their use of micro adjustment, cases, AF mode choices, etc.
Further, because of the way that a couple of people have shown consistency in stubbornly refusing to accept any possibility that they might be doing something wrong and who have chosen to respond rudely to those who have tried to make suggestions, most of the the many who have had success with using the 7D Mark II have given up and have stopped posting what might otherwise have been useful suggestions in threads like this one. The combination of the fact that the same handful of people keep repeating the same complaints and the fact that most who have not had issues have stopped posting in threads like this distorts, I think, the reality with regard to the frequency of issues related to 7D Mark II focusing. And, when there are couple of people who stubbornly and consistently refuse to accept any possibility that they might be doing something wrong in the face of the fact that the pictures and words that they post show a clear likelihood that, in fact, they are experiencing user error, it severely diminishes the abilility of others to come across as credible even if they might truly have cameras that are not performing as they should be performing.
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