Canon EOS 40DComparision with the brother
Now let's compare another set of images from the EOS 40D with its elder brother, the EOS 30D.
This is the original image used.

The image from the older EOS 30D will be on the left and that of the EOS 40D will be on the right.
ISO 100: Similar output from both cameras.
ISO 200: No difference between the two images.
ISO 400: Nothing has changed...
ISO 800: Still no noticable difference.
ISO 1600: Very hard to differentiate between the two, but the EOS 40D seems to exhibit a wee bit more noise.
ISO 3200: The EOS 30D is seen delivering a slightly cleaner image than the EOS 40D.
The EOS 40D would understandbly produce slight more noise than its predecessor because there is no increase in sensor size, yet more megapixels are squeezed in. I believe that the slight increase in noise levels at ISO 3200 (which is almost never used) would not affect any real world applications.
This is the original image used.

The image from the older EOS 30D will be on the left and that of the EOS 40D will be on the right.
ISO 100: Similar output from both cameras.
ISO 200: No difference between the two images.
ISO 400: Nothing has changed...
ISO 800: Still no noticable difference.
ISO 1600: Very hard to differentiate between the two, but the EOS 40D seems to exhibit a wee bit more noise.
ISO 3200: The EOS 30D is seen delivering a slightly cleaner image than the EOS 40D.
The EOS 40D would understandbly produce slight more noise than its predecessor because there is no increase in sensor size, yet more megapixels are squeezed in. I believe that the slight increase in noise levels at ISO 3200 (which is almost never used) would not affect any real world applications.











