70-200 f2.8 IS USM II w/7D at 2.8 have soft focus isuues

Started Mar 11, 2013 | Discussions thread
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vander
vander Senior Member • Posts: 2,376
Re: 70-200 f2.8 IS USM II w/7D at 2.8 have soft focus isuues

Something that I learned quickly with this lens was the way I was focusing and then composing. I didn't have a lot of experiences with a zoom and a lens this fast.

I tend to use the center AF point, will lock onto a subjects eyes and then recompose, which was causing issues because at 200mm, f2.8 there is a fraction of an area in focus. Simply me altering the plane of the camera was creating mis-focused shots which was frustrating me until someone else pointed that out. I never thought about it and they were so correct. I now start using other AF points when shooting that long and that wide open.

Maybe this contributes to some of the problems?

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