Canon 700D: better levels based on provided samples.
Canon 700D: better levels based on provided samples.

Thanks to Dutch_Wolf for the samples.

darktable-org/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,anarsoul/rawspeed,darktable-org/rawspeed,klauspost/rawspeed,anarsoul/rawspeed,klauspost/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,anarsoul/rawspeed,LebedevRI/rawspeed