70D Dynamic Range is actually great, despite what DXOMark says

Started Jan 21, 2014 | Discussions thread
David Hull
David Hull Veteran Member • Posts: 6,388
Re: 70D Dynamic Range is actually great, despite what DXOMark says

carlk wrote:

David Hull wrote:

carlk wrote:

Just another Canon shooter wrote:

It seems it's not OK to say that, even worse to show some examples.
If you say I don't understand DXO tests and that makes you feel better, then OK. That doesn't change the point of my original post, though.

It does. Look at the subject line, it is still intact. You also say: Well, the actual results surprised me. I was expecting a ugly mess of blotchy noise, banding, pattern noise, but couldn't see it at all. That surprise shows that you do not know what the DXO findings mean.

I really don't care what DXO says either even though it's the only objective evaluation available. On the other hand I do care that people like op who does not understand what real world DR means and what it does for photographers are putting such misguided efforts trying to confuse the issue. People who shot digital from the beginning knew it (DR limitation) is an important issue. We all appreciate companies like Sony finally put out great effort to address the issue and we all hope Canon can catch up too. There is no need to try to beat the dead horse and explain the problem away. Sorry that I have to be blunt but I think it's time that we put this nonsense to rest.

I think I would say it a bit differently: Sony has addressed the banding issue but not the DR issue. They appear to have actually eliminated the banding that the Canon equipment seems to have but in terms of DR they have only made it two stops better through reducing the read noise. You seem to imply that Sony has fixed the DR which is not the case, they just made theirs better than Canon.

I really don't mean that Sony has fixed the DR issue but it did make it a little closer to the film experience. Two extra stops of DR is nice and I would not complain if someone is to give us another two or more stops of it.

I won't be surprised if someone does that at some point.  It is interesting that looking at the SensorGen data from Bob's site, it shows that the actual sensor in the Canon cameras is pretty good in terms of read noise -- even better than Sony by a bit.  IMO, Canon fouls it up in their circuitry down the line.

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