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one in focus anf one not
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May 27, 2012 15:06:58   #
toptrainer Loc: Wellington
 
I take many photos that come out great of landscapes and single people. I have a Canon t3i and every time I take a photo the person close to me comes out great, the person host behind comes out blurry no matter what I do

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May 27, 2012 15:24:25   #
St3v3M Loc: 35,000 feet
 
Welcome to UHH. From what you wrote I am going guess you have a problem with Depth Of Field. Google it and you will find many great articles, videos and tips that should help. Posting your photos here with your equipment and settings helps too.

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May 27, 2012 15:38:49   #
toptrainer Loc: Wellington
 
Thank you, when I get home I will list again the pictures just took and do some reading.

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May 27, 2012 15:43:11   #
jerryc41 Loc: Catskill Mts of NY
 
toptrainer wrote:
I take many photos that come out great of landscapes and single people. I have a Canon t3i and every time I take a photo the person close to me comes out great, the person host behind comes out blurry no matter what I do

Basically, the smaller the lens opening, the more will be in focus, front to rear.

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May 27, 2012 15:51:16   #
jimni2001 Loc: Sierra Vista, Arizona, USA
 
Are you shooting in manual mode?

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May 27, 2012 17:18:37   #
toptrainer Loc: Wellington
 
yes

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May 27, 2012 17:19:46   #
toptrainer Loc: Wellington
 
so the smaller the av the better?

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May 27, 2012 17:23:34   #
rpavich Loc: West Virginia
 
toptrainer wrote:
yes


Yes, Your issue is depth of field.

There are FAQ's here on this site or you can google it.

Depth of field is a product of: distance to subject, focal length of lens, f/stop value.


You can work it out in advance using the online depth of field calculator;

http://www.dofmaster.com/dofjs.html


And there are also android phone apps that do the same thing.

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May 27, 2012 17:26:25   #
jerryc41 Loc: Catskill Mts of NY
 
toptrainer wrote:
so the smaller the av the better?

Your camera probably has a depth of field button, so you can see how focus will change when the shutter clicks.

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May 27, 2012 17:29:30   #
rpavich Loc: West Virginia
 
toptrainer wrote:
so the smaller the av the better?


It's not better or worse, they just produce different effects.


If you want more depth of field, you need to (generally speaking) use shorter lenses coupled with smaller apertures and/or more distance to subject:

What lens are you using?

How far are you from your subject?

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May 27, 2012 18:10:31   #
jimni2001 Loc: Sierra Vista, Arizona, USA
 
I would think that you have selected the auto focus point as the center point. If you select more focal point then it should solve the problem. My best guess.

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May 27, 2012 18:24:55   #
toptrainer Loc: Wellington
 
I select the automatic selection.

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May 27, 2012 18:25:20   #
toptrainer Loc: Wellington
 
all are lit up.

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May 27, 2012 18:29:50   #
rpavich Loc: West Virginia
 
toptrainer wrote:
all are lit up.


Trust me. This isn't it.

What lenses are you using and how far away are you from the subject?

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May 27, 2012 18:40:49   #
toptrainer Loc: Wellington
 
im using a Canon T3I, 28-135, 50 mm, or 18-55. Here is an Example.

My Son and Nieces daughter.
My Son and Nieces daughter....

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