 William Crowe |
Pictures TOO soft
My settings are ISO 200, f13-21, flash (-1.0). Yet when I shoot the picture and put it on my computer screen, facial features are not sharp (the picture attached has been sharpened thru Picasa) My basic question - why??? I have noticed this on recent portraits.
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Jon Close |
My first thought is f/13 to f/21 is too small an aperture for critical sharpness. Diffraction effects increase with apertures smaller than f/11. I assume you wanted greater depth of field covering the several rows of people, but I think f/8 or f/11 would have been sufficient. The image is small on my screen, but there may (or may not) be some motion blur? What shutter speed was used?
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- Dennis Flanagan Contact Dennis Flanagan Dennis Flanagan's Gallery |
I don't think it's a aperture issue. If that were the case, there would be someone in sharp focus. Are you using manual or autofocus? It's possible the ambient light conditions are too low and it's not able to grab onto anything to focus on. If you're shooting on manual focus, check your diopter. One more thing to check is make sure the peice of glass in the front of your lens is not loose.
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William Crowe |
OK ..... I went back and checked the picture details. It lists the ISO as 3200, the shutter speed as 1/60, the exposure bias as -0.7 (didn't know I had left it there), the f-stop as 20. I did check the UV filter and it was tight. The camera listed 200 as the ISO when I pushed the ISO button.
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- Dennis Flanagan Contact Dennis Flanagan Dennis Flanagan's Gallery |
Take some photos of anything in good lighting conditions and see what your results are. The photo you are showing would be grainy at ISO 3200, but not out of focus because of it. The people in the front row although out of focus are in better focus than the back row. So your focal point is somewhere between the camera and them. It doesn't look to me like a camera shake issue. If it was, the front and back would be equally out of focus. My best guess is the auto focus was not grabbing onto anything is low light conditions.
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