Did you convert the raw to tiff or fits without any sharpening etc? By the way the 300mm F2.8 Fluorite that tornado33 has got is the earlier version of the 300mm F2.8L. The only difference is the later version has two ED elements as well as the Fluorite as ED glass was not around then. Optically the earlier lens has got slightly more off axis astigmatism wide open. It would not be as good for full frame but still nothing else would come close. The real advantage of the the earlier lens is it can easily be used with an Astro CCD as it is fully manual.
Keep an eye out for the arriflex version (very rare) as it can be easily converted to fit an EOS mount with focus at infinity. The FD mount version may be converted to fit an Astro CCD but not an EOS mount without an extra glass element to get focus at infinity which ruins the quality.
Bert
Last edited by avandonk; 20-12-2006 at 12:44 PM.
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