Every once in a while I do a picture that takes a bit more time, or is something that I think up ahead of time and make happen. It is always a great feeling when that type of shot turns out how you envisioned it, and then is accepted and online! What are your favourite uploads that were accepted?
My image No 4325567 & 4334427 well these images were taken for fun, even my friend took the picture of same boat, and that ismage is online as well. we both were suprised when these images got accepted. Thanks DT, those image are selling now
My favorite accepted upload is the shot of Truman the common jumping spider on top of the yellow flower -- so many times I get a reaction of "why do you want to take a picture of that!" so it was very gratifying to have it accepted. BTW your photo of the piano keys is fabulous, I love it. Cheers, Marilyn
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I've been looking into a new body and have decided not to go with the latest Canon 50D. I'm turned off by the high file size, but also because we seem to be getting into territory where more megapixels are making some things worse. While I haven't tried either the 50D or 40D for any length of time, and am therefore not qualified at all to talk about ultimate image quality, I did encounter a few discussions on diffraction, and the impact of smaller pixels.
As someone who shot film pre-digital, I've always been under the understanding that a smaller aperture meant more depth of field, but also that stopping down meant you got more sharpness, too. This doesn't necessarily seem to be the case, and newer digital cameras seem to have more of an issue. I've seen examples in various...
A smaller aperture does give a larger depth of field, with digital sensors, which are generally smaller than 35mm film, the same depth of field is achieved with a much larger aperture.
For example, the G10 you mention at its widest angel and aperture (f2.8) will have an equivalent depth of field and angle of view as 28mm at f14 on film. On the camera I use, 25mm at f5.6 already gives me an equivalent of f11 in 35mm format. For most situations I find that this is sufficient depth of field. I find that diffraction doesn't start limiting sharpness at about f11, but then there aren't really that many situations where I'd want to shoot at such a small aperture, with the exception of macro images. A good article on the subject can be found at:
I think this issue is more of a problem in regards to lens choice than body choice - if a particular lens doesn't reach its sweet spot until past the point of diffraction, then its a...(More)
Each lens will definitely have its own sweet spot, independent of the sensor. The trouble arises when the best aperture for lens sharpness is smaller than the aperature where diffraction starts to limit sharpness. From what I've seen, this shouldn't be an issue with any lenses on the old 5D, but newer cameras, the 50D especially, are starting to hit this point...
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