BTW, as of this hour, that Amazon bestseller list shows the T1i/500D on the top spot . 6 of the Top 10 are Canons, two of which are 7Ds (1 body only, 1 w/ the 28-135 zoom).
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After seeing what Nikon threw out there with the D7000, coming in at $100 more expensive than the 60D. thereâ€™s a perception Canon dropped the ball on this one. I think the 60D looks about $100 overpriced now.
That being said, Canon will still sell a lot of them to upgrading Rebel users. There are more Rebels out there than any other DSLR.
The D7000 is going to take new DSLR buyers away from Canon, but I donâ€™t think itâ€™ll make too many people switch.
The 70-300 L appears to be very sharp wide open including good sharpness into the full frame corners at focal lengths up to and including 135mm. I expect to see nearly as good of performance right up to 300mm, but because of poor test conditions, I'm not yet ready to state this with any certainty.
I think we are going to see a little CA (Chromatic Aberration) in 70mm full frame corners, but little or nearly-none over the rest of the focal length range.
Distortion appears to be about average for a 70-300mm lens. Expect some 70mm barrel distortion transitioning to pincusion by just over 100mm. Pincusion distortion becomes moderate by 200mm and remains so through 300mm.