Which one can handle the noise and the blownout highlights better?
In both tests, the cameras are set to a neutral picture style with the contrast all the way down. No lighting optimizer or high light tone priority turned on. Also the noise reduction on the Sony is set to the default ‘normal’ setting.
In the first test I exposed for the dolls skin, I was the back and I am about two stops under. Both are set at ISO 1600. The reason why I went 1600 is that is high as the Sony A77 will go in movie mode if you can believe that. I picked this doll from my girls collection because of the blue and green colors and I am holding the somewhat red Sony box for the third channel red to see which channel does worse with the noise.
Starting with the Sony I see the blue channel is noisy but not some much noise on the green. When we look at the Canon I would say it is about a tie on the blue channel noise.
Next when we look at my face and the box I think the Canon is slightly better.
When we look at the digital target and you look at the gray and the black, I would say the clear winner is the Canon with noticeably less noise than the Sony A77.
In the next test I wanted to see who could hold the blown out highlights better. For some reason I am having a really hard time getting the exposure right for the Sony. Normally when I fill the frame with gray part of the digital target and set the exposure for the Canon I will get perfect exposure on skin tones, but not so with the Sony. I had so much problems I had shoot the same scene several different times with decreasing lower f-stops and then within my NLE I used the scopes to match the skin tone levels to make it a fair test.
I ran in to an usual issue here. The Canon’s highlights clip at 100 IRE and the Sony at 110 IRE. I tried the same clips in Sony Vegas and they both clipped at 110. I contacted Adobe and they said they worked with Canon to get the correct YUV values correct. I feel like I am going down a rabbit hole on this issue so I am going to take Adobe’s word on this that they are doing this right.
You will notice that the Sony handles the highlights much better if this a valid test at all, I am not a colorist at all and barely understand what YUV even means, but I thought you guys might enjoy the tests anyway.
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