AVCHD is higher contrast
...OK, you lost me here?
AVCHD is a compression scheme just like any other CODEC, I don't see how it introduces any additional contrast to the video it contains.
Both the C300 and C100 produce 8-bit video using the SAME sensor, so I would expect the contrast to be essentially the same.
The C300 can do internal 4:2:2 recording, so the internal color would be better than the C100, but the addition of an external recorder to the C100 should take of this issue.









