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Beginner's question about focusing on T2i

Started Jul 25, 2017 | Discussions thread
WilbaW
WilbaW Forum Pro • Posts: 11,643
Re: Beginner's question about focusing on T2i

billthemountain wrote:

I recently heard two conflicting pieces of advice and was hoping to get it straightened out.

I was told, to get the best AF, only use the center auto focus point on "manual selection". Something about that "dot" having a unique focusing engine behind it.

Usually the centre point can be more accurate with lenses wider than f/5.6, or more able to deliver accurate focus in low light, but that doesn't mean only using the centre point is always the "best" thing to do. If another point makes it easier or more convenient to frame the shot, I will definitely use it.

If this is true, ...

It is, but it shouldn't lock you into something that restricts what you what to do or how you want to do it.

... and I want to shoot something framed in the right quadrant, and I shouldn't use the appropriate manual selection dot, what's my best option? That was the question I couldn't get answered.

Sounds like you've worked that out from previous answers, but it's a complicated question of when should you focus with the centre point and recompose, and when you should use the closest AF point. How about do some direct comparisons of the two methods, see what works best for you, and let us know?

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