I'm hopefully going to be investing in a few lenses for my 300D shortly and I'll be keeping the lenses for longer than I plan on keeping the camera as my 'main' dSLR. Eventually I'm going to buy the 10D's replacement in likely 2 years.
So - is the collective wisdom of this group that we'll see mid to low level SLRs keep the 1.6 crop factor? or will the sensor sizes migrate more towards full frame like the 1Ds?
It matters to me because I don't want to invest in expensive and bulky ultra-wide angle optics (24mm and less) if the crop factor is going to let me get away with cheaper and smaller lenses for me to get an equivalent to a 35mm lens. Conversely I've not invested in telephoto lenses because the existing crop factor works for me - my 70-210 works out to be a 330mm f2.8 at a lot less money than a 300mm f2.8 prime would be.
I didn't mind paying $100 dollars for the 18-55 EF-S lens that will never work on anything other than a 300D because the price was so low, but a Sigma 20mm f1.8 lens is $370, and it only gets me to a 33mm equivalent. I wouldn't buy the Sigma digital super zoom because it's likely going to be worse than obsolete in the future.
BTW - My humble opinion is that the 10D replacement will likely be an 8MP, 1.3 crop factor (reuse/update the 1Dmk II sensor) and a bit more picture buffer but not as good as the mk II.
david
www.ursa.ca/photos
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