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MB_
Guest
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 Posted:
Sun Nov 28, 2004 12:05 am Post subject:
Picture clarity query |
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I recently got a new Canon A75, my first digital one.
We really like the picture quality.
However, I have one picture of my infant grandson and his mother. She is
holding him. In the picture she is clear and sharp but the child is slightly
blurry.
Any idea what might have happened? Did the autofocus possibly zero in on her
and somehow the child got blurry? Might I have shaked the camera.
I'm just not sure. I figure if I find out why this happened I can avoid the
problem in the future.
MB
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G-Man
Guest
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| Posted:
Sun Nov 28, 2004 12:05 am Post subject:
Re: Picture clarity query |
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If you shook the camera, both would probably be blurry. The camera probably
focused on the wrong item. You must have had a large aperture, giving
little DOF. You may want to experiment with Aperture mode to get better DOF
in these situations.
Gary
"MB_" <mel@prodigy.invalid.net> wrote in message
news:hl7qd.4903$Uu7.4586@newsfe01.lga...
| Quote: | I recently got a new Canon A75, my first digital one.
We really like the picture quality.
However, I have one picture of my infant grandson and his mother. She is
holding him. In the picture she is clear and sharp but the child is
slightly blurry.
Any idea what might have happened? Did the autofocus possibly zero in on
her and somehow the child got blurry? Might I have shaked the camera.
I'm just not sure. I figure if I find out why this happened I can avoid
the problem in the future.
MB
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George E. Cawthon
Guest
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| Posted:
Sun Nov 28, 2004 6:17 am Post subject:
Re: Picture clarity query |
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MB_ wrote:
| Quote: | I recently got a new Canon A75, my first digital one.
We really like the picture quality.
However, I have one picture of my infant grandson and his mother. She is
holding him. In the picture she is clear and sharp but the child is slightly
blurry.
Any idea what might have happened? Did the autofocus possibly zero in on her
and somehow the child got blurry? Might I have shaked the camera.
I'm just not sure. I figure if I find out why this happened I can avoid the
problem in the future.
MB
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I agreed with G-Man. If anything is sharp, the problem is not camera
shake. That leaves focus, or motion. The child may have been moving
fast enough that the shutter speed selected could not stop the motion.
Or the camera had not fully locked on the correct focus. Another
possibility is that the there is just too much distance between the
mother and the child to have both in focus. Stepping back or using a
little less zoom will correct that. Or another solution is to simply
make sure both subjects are in the same plane, either by changing
angle of view or the mother holding the child closer. |
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Douglas W. Hoyt
Guest
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| Posted:
Sun Nov 28, 2004 6:18 am Post subject:
Re: Picture clarity query |
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| Quote: | Any idea what might have happened? Did the autofocus possibly zero in
on her and somehow the child got blurry?
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As others have indicated, your camera must have indeed focused perfectly on
one subject, and because of the "depth of field" of the camera settings the
other subject was not within the area (which could only be a few inches)
where the camera was in focus.
If you have a "portrait" setting on your camera, the "portrait" setting does
exactly that: it narrows the area of objects that are in focus to a very
narrow range to make the face that is the chosen subject clear and vivid,
while everything else can be quite blurry--an effect that portrait
photographers intentionally use to really emphasize the subject.
As others have said, you can remedy the effect by stepping back when taking
the picture, or rearranging the people in it so that they are closer
together, or using a function (which most cameras have) to first select
precisely what WILL be in focus (like the infant; this is often done by
pushing the shutter half-way down with the infant centered, then reframing
the picture before you push the shutter the rest of the way; though then
the mother may be more blurry), or you can use an aperture or pre-set
setting that will have greater "depth of field" so that more important
elements will be in focus--though doing this typically increases the light
that the camera needs in order to perform (which increases the chance that
the whole picture might be blurry from camera shake!). |
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