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The 6D is more comfortable to hold than a D800.

Lack of dual wheel operation? Huh?

Auto ISO? Why?

Lower DR is a problem why?

The D800 is a camera with certain AF problems. 

Foto Magazin actually did a real test. That you don't care says enough?

I don't care that I can't convince you that my 6D performs well with AF. It is how it is. And with my 55mm f1.2 wide open, I nail focus any time. With MF. Through the OVF. My 200mm f4 close up has a bigger aperture, and I nail focus every time.

 

EVF shows what the settings are. OVF shows the scene through the lens, open for your interpretation.

 

I pretty much only shoot in aperture priority in auto ISO mode (ie. the camera choose the lowest ISO as long as a min. shutter speed is possible, otherwise it bumps the ISO up).

One wheel is used to control de aperture and the other can be programmed for any other important thing (exposure compensation, ISO, etc.). The access is much more direct than using buttons.

 

As far as ISO is concerned, I believe that because historically, photographers used to use films, in their head ISO must be a fixed parameter like shutter speed or aperture.

In reality, in the digital age there is little reason for ISO to not be dynamic. The prime example is when selecting a specific aperture and a specific speed: auto ISO allows for the shot to be automatically properly exposed. Your exposure will be spot on regardless whether the light changes or not, whether the background changes, etc.

It then becomes very important to have a good auto ISO implementation where the camera selects the lowest ISO possible to maximize IQ. A good implementation should take in account the focal length of the lens to prevent shake and also bias this calculation (like what Pentax does). So you can bias it toward higher or slower shutter speeds depending on your needs or the situation at hand.

For instance, say you're shooting static subjects in a dimly lit environment. You want your aperture to be f2.8 and you have a zoom lens. Fixing the ISO is sub-optimal unless the lighting or scene never changes. Setting a specific shutter speed is sub-optimal because the focal length may change given you're using a zoom lens. You also don't want to use a too high shutter speed if it's not necessary. So you want auto ISO, but you want it to select the lowest possible ISO while avoiding camera shake.

In a another scenario, you want to shoot people, so you want a minimum shutter speed of say 1/100 while using the lowest possible ISO. The lighting is not constant, nor the background. Anything other than auto ISO will be sub-optimal.

Do you now understand the importance of a good auto ISO implementation?

 

The DR issue has been beaten to death here and elsewhere. Basically, I don't want to see banding when pulling data from shadows.

 

As far as AF goes, did you even bother reading the article from Roger Cicala? If you did, then you'll understand that the technology is flawed when it comes to single shot accuracy. If you didn't, then there is no point in me repeating the same thing over and over. I couldn't care less about MF as I never use it except perhaps for macro. I want AF, period.