Quote Originally Posted by freygr
At 10-22 megapixels the glass will be the difference. The sensor at these resolutions will be able to see any optical problems the lense has, as each pixel will be so small! The larger pixels hide sharpness and contrast problems. This will show up faster if the sensor size stays the small.
I don't think so. Because pixels are not 3D you have to go to almost twice the number of pixels to get a 20% improvement. This means that the difference in glass would have to be considerably extreme to even amount to a measurable improvement in quality for the photo as the end result.

So yes, there are at the moment at least, differences in glass but any resulting quality improvements on the side of DSLR are negligable and even questionable in some individual cases and this can be seen in the photos used for lab testing.

Ronnoco