It's a bird

by Vian Esterhuizen

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To quote from the 572D manual: Automatic Focusing (for Nikon/Minolta/Pentax AF SLR) When the camera is on the autofocus mode, the lens focuses automatically. Digging a little further, this thread confirms my suspicion that the Tamron lens doesn't have a built in focusing motor, but instead uses the screw drive motor which exists on higher-end ...


Okay, so, the fundamental problem, as discussed in the other question you've linked, is that focus "points" actually have to be areas, not literally points, and the camera can't know what you're actually interested in with that point. However, if you're particularly interested in in-focus faces, there is a solution. That is: use a camera with ...


You linked to that other question, stating that AF systems do not work as one thinks. Oddly, you come to the conclusion that you should buy another camera. Let me quote from the accepted answer: The Canon 7D is not unique in the way multiple focus points share parts of the same lines on an AF array. Most of the pro grade bodies and many of the pro-sumer ...


Yes, you can. The easiest way to do so is to enable back button Auto Focus via the menu options and then select AI Servo as your focus mode. As long as you press the AF-ON button the camera will continue to focus on whatever is behind the selected focus points.


Live view and viewfinder use different kinds of auto-focus and are different. Just make sure your auto-focus type is set to continuous and make sure you have the focus point selected and over what you want to focus on. You have to keep the button half-pressed, whereas in live view you don't. It is just the way the camera works. To test hold your hand up and ...


One out of 200 shots, statistically would mean that either your shutter button was pushed all the way down before auto focus had a chance to acquire or something in the shot changed the focus. I suggest using back button focus if possible on your camera to separate the shutter button from the auto focus, it will also be helpful when recomposing.


I think the introduction of the joystick is really making a difference, too. With plenty of AF points, it's a bit tedious to use both dials to select a particular one. The ECF can select horizontally and vertically at the same time. It can be considered a 2D input and is in principle superior to using dials. DSLRs (some models) have a joystick which serves ...

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