Alley in Pisa, Italy

by Lars Kotthoff

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5

Modern auto-focus systems are designed to accommodate a wide range of shooting applications that require different ways of using the auto-focus system. Which way is the best for you depends on several factors: Your subject matter, your skill level, and which setup produces the most consistent and accurate results for the particular camera/lens combination ...


4

No. Extension tubes that offer AF capability simply mean they have contacts that allow for electronic communication between the body and the lens. They do not have autofocus motors in them or add autofocus capability to a body/lens combination that doesn't have it without the extension tubes.


1

Don't feel bad about using a single focus point in the center. That's what I do too most of the time. Often enough the main point of a picture doesn't appear in the center, and the automatic system guesses wrong what it should focus on. If find the point, auto-focus and freeze, reframe, and click sequence works pretty well most of the time. Don't be shy ...


1

Preferences vary. I personally find it far more convenient AND more likely to achieve what I want in the time available by using just the centre focus point in most cases. As people have noted, recomposing photos by focusing on an off centre point and then holding the focus setting and moving the camera can lead to focusing errors when large apertures are ...


1

The purpose of the multiple focus points is that the camera is supposed to do the work for you. The idea is that you shouldn't have to point at the item that should be in focus, the camera would figure that out automatically. As with most automatic systems, it doesn't work all the time. More focus points means that it gets better, but never perfect. That ...


1

Just because you have several focus points doesn't mean you need to use them all simultaneously. This, and other features, are just tools to assist you in taking the picture; use it how you feel best. Personally, I rarely use anything but the center point and never use all points together. Keep in mind anyone can say anything on the internet and some ...


1

Yes the camera will AF if you have it in a mode that will AF when you press the button. It's a remote button. That's all. I found with my remote it more annoying that if would AF so put it manual mode so it would not focus hunt. But I was not take bird photos but photos at night where there was not enough light to AF.



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