very interesting thread this is...these are tests i would never do on my own.
question is...how often do you have to PP your images so much to this extent? I've personally maybe only faces extreme DR scenarios like once or twice a year... maybe I'm just not shooting enough or I'm only shooting in ideal conditions..but for me..if the situation isn't ideal..I'd rather not shoot. maybe the Canon cameras suffer from all these mentioned problems..but unless you're saying every one of your shots are like this...I'm sure 99% of the time it performs great!
The paraggrapgh below contains thoughts straight out of my head that don't have any facts behind them. This is how I understand the camera IQ, so please correct me if I'm wrong.
For my work tonal range may be more important than dynamic range and can help me in getting all these nice colours in the image. While there's visible difference in DR (longitude of the RAW data, as I understand it – from black to white) of Canon vs. Sony sensors, I don't see any leaps in tonal range (latitude of the RAW data, number of tones) improvements:
- 5D Mark III -> 8.65 bits
- D700 -> 8.65 bits
- D800 -> 8.53 bits
- D7000 -> 8.5 bits
- 5D Mark II -> 8.48 bits
- 1Ds Mark III -> 8.44 bits
- 7D -> 7.89 bits
I'll be glad to hear everyone's thoughts on the topic
P.S. Tonal range data is taken from DXO screen measurements.