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Old Apr 16, 2011, 9:56 AM   #1
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Default Soft pictures....

I took these pictures a few days back at the golf club. I find that the pictures are soft and the sharpness that is required is not there....Could someone please help me with the reason why the pictures are soft and how I could improve to get perfect sharpness.... I did try to focus on the eyes of the birds....
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Old Apr 16, 2011, 10:59 AM   #2
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are you using auto AF point or are you selecting a point. Some of the shots look like a miss focus on the grass instead of the bird.
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Old Apr 16, 2011, 12:43 PM   #3
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It seems to me that the grass behind the birds in the last two shots is sharper than the grass at the birds' feet.

Is this a new development, or is this the first time you looked closely?

Have you tried this: http://www.focustestchart.com/chart.html
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Old Apr 16, 2011, 1:31 PM   #4
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I think you just need more DoF. Try using a smaller aperture and a slower shutter speed. The 1/4000s and 1/2000s in the first two are *much* faster than you need for birds on the ground. The focus looks right on the first two so I think you were just unlucky to miss the focus on the third.
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Old Apr 16, 2011, 11:23 PM   #5
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Quote:
Originally Posted by shoturtle View Post
are you using auto AF point or are you selecting a point. Some of the shots look like a miss focus on the grass instead of the bird.
The camera is set on AF mode but I point the red spot on the eyes of the bird but since the bird is moving all the time it happens that I miss it at times...this time it missed and the focus was on the grass...
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Old Apr 16, 2011, 11:26 PM   #6
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Quote:
Originally Posted by MartinSykes View Post
I think you just need more DoF. Try using a smaller aperture and a slower shutter speed. The 1/4000s and 1/2000s in the first two are *much* faster than you need for birds on the ground. The focus looks right on the first two so I think you were just unlucky to miss the focus on the third.
Fine I will try that next time but then I fear that if I have a longer shutter speed then there will be a hand shake and will get the picture out of focus... that is why I have been using F2.8 to F3.2 so that I get faster shutter speed...Anyway I will try what you have said...Thanks
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Old Apr 16, 2011, 11:28 PM   #7
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shoot single point and put the camera is AI Servo, if the bird moves, the focus will be be off as long as you keep the point on the bird. It will really help with the miss focus issue.
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Old Apr 17, 2011, 9:07 AM   #8
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Quote:
Originally Posted by shoturtle View Post
shoot single point and put the camera is AI Servo, if the bird moves, the focus will be be off as long as you keep the point on the bird. It will really help with the miss focus issue.


Sure will do that...Thanks
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Old Apr 18, 2011, 9:59 AM   #9
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Quote:
Originally Posted by MartinSykes View Post
I think you just need more DoF. Try using a smaller aperture and a slower shutter speed. The 1/4000s and 1/2000s in the first two are *much* faster than you need for birds on the ground. The focus looks right on the first two so I think you were just unlucky to miss the focus on the third.
I think I am still missing out on something..... this time I did go for F5 and F6.3 and longer shutter speed but not quite happy with the results. Please advice.

Picture no 233 is F/6.3, shutter speed 1/200sec ISO 600 Focal lenght 200mm and spot metering.
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Old Apr 18, 2011, 10:33 AM   #10
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First, 1/200 is very slow for birds.
Second - is the last photo you posted cropped at all or is it strait out of camera with just resize for post? It's an important question for two reasons:
First reason: center focus point would have been on grass, not bird
Second reason: focus accuracy and subject in original framing - the square you see in the viewfinder is only an approximation of the actual focus point. When you have a very small subject in the frame it's tough to get the entire focus point on it.
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