"Kotsinadelis, Peter (Peter)" <[EMAIL PROTECTED]> wrote/replied to:
I do not shoot air conditioning vents either. You are such a "douting Thomas."
It was a photo of a person under controlled lighting conditions. Whether you want to believe it or not is your choice.
I can give you the guy's phone # and you can call him if you doubt what I say. He owns the Nikkor and found the Tamron better. He is a pro and not a technocrat so this is subjective viewing from a photographer's perspective finding the Tamron Di lens better for his use on a digital body.
Peter, you're darned tooting I'm doubting many things I read and see on the net. There could be many explanations why he saw these effects on a small sensor. One might be that his Nikkor lens was flawed. I have never noticed any fringing on my 10d which has about the same sized sensor.
If the Nikon Dslr shows this, then nya nya for Canon. I have seen these effects from a 1Ds, as shown on Luminous Landscape. I have seen a software solution as well.
Nya nya nothing. Nikon DSLR's show this; Canon DSLR's show this. The bigger the sensor, the more it shows this. That is why the 1Ds shows this somewhat more than other DSLR's. At present, the Olympus E-1 does not show this, as the lenses are designed with the current sensor in mind. Colour fringing and optical losses are a fact of life for lenses designed for film and applied to digital.
If you look at the information for the E-1, you will see that the lens design provides for exit rays that are more perpendicular than those of conventional (film) lenses. That is what makes them better for digital, just as the digital lenses from Rodenstock and Schneider have been redesigned. Regular retrofocus lenses are better than classic symmetrical lenses in this regard, but the new 'digital lenses' are even better. Previously there was no benefit in having the light rays strike the film (sensor) plane perpendicularly, but now there is, so manufacturers are responding. The lenses designed for film just aren't there yet.
As far as lens mounts are concerned, the E-1 mount is _HUGE_ in relation to the sensor, compared to both the Nikon and Canon, although the Canon is slightly better obviously.
Panotools can correct for the colour fringing, if you're willing to do a bit of fiddling.
Once again, because you have seen someone's results with one particular body and lens, do not assume that some kind of theory is valid. We need a bit more data on this to jump to such conclusions right now.
I'm sure both Canon and Nikon are working on the problem, meanwhile millions go about shooting with their 'flawed' Dslrs.
Everybody is working on this, be sure of that. In a sense, DSLR's are flawed, and that certainly includes all Canons. That doesn't mean they're unusable, just that things could be better. Lenses will be designed to compensate until sensors can be 'corrected'.
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