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Old 17-01-2008, 12:27 PM
gary
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Join Date: Apr 2005
Location: Mt. Kuring-Gai
Posts: 5,999
Depth of field?

Hi Josh,

Great result.

I note you appeared to have combined three images but I was
wondering if you happened to have the camera inadvertantly
set to Tv (shutter priority mode) rather than Av (aperture priority)?

The reason I ask is that in the one unprocessed comparison image,
when you look toward the back of the frog, the depth of field falls off and
it is out of focus. However, on the final composite, some of those
areas appear to be in focus making me wonder whether they fell
into the depth of field of the other two shots? For example, see
circled area below of single image and compare with HDR composite.

There is no doubt the HDR combined with the tone mapping has done
a tremedous job of maximizing the information in the image, particularly
with regard the detail in the wrinkes of the skin. However, I am not
sure if it can be attributed for the sharpening of the focus beyond the
depth of field of the single example image. Interested to know what the
other two unprocessed images were like in that area toward the back
of the frog.

Once again, a really nice image.

Best Regards

Gary
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