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DPChallenge Forums >> Tips, Tricks, and Q&A >> one focus point for group portrait?
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 04/24/2010 12:49:32 AM · #1
i'd like to learn taking better pictures, so i read lots of infro from internet and they said NEVER use all focus points when shooting portrait, even in a group shots? how that work without some of the people get blurring??
 04/24/2010 08:41:09 AM · #2
A couple of reasons. First, they are probably using a smaller aperture (bigger f-number) to get a great depth of field. Second, when you focus on a point, you are actually focusing on a 2-D plane. Everything within that plane will be perfectly in focus.

I found this a good read a while back that may help to explain: //www.cambridgeincolour.com/tutorials/depth-of-field.htm
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