Tested both cameras in my studio.

The 400D had much more noise and darker image results compared to the 350D.

canon350d300lf4_small.jpg canon400d300lf4_small.jpg d50f14_small.jpg d50f142_small.jpg
d300lf4is_small.jpg d300lf4is2_small.jpg d150mmexapo_small.jpg dtse90mm_small.jpg

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