can you tell the IQ/ISO difference game: canon5dmk3 vs D800e at iso 6400

Started May 24, 2013 | Discussions
tbcass
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Re: What about resolution?
In reply to mariadc, May 27, 2013

mariadc wrote:

tbcass wrote:

The 40D is only 10mp while the 5D MK III is 22 mp. Compare full size images from each camera and you will see the MK III has much more detail.

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I agree.  I was thinking of downgrading to 50D to save money.  I took shots and compared them to my 6D.  The detail is completely missing.  I don't know how the OP got the results he did, but in my own real-life tests, I see a huge difference.  And believe me, I wanted to save money.  But I just can't bring myself to go back after seeing what a hit in detail I would take, even cropping in more with a 6D.

People often make the same mistake when comparing noise and claiming that greater pixel density adds noise. It does not. The amount of noise is dependent on the total light gathered by the sensor so all things being equal as far as sensor technology a larger sensor will have less noise than a smaller sensor regardless of pixel density. What does happen is the sensor with greater density has greater resolution which results in greater image size when viewed on screen at 100%. It's this greater "magnification" which makes noise more visible.

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Dave Luttmann
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Re: An amazing guess!
In reply to Great Bustard, May 28, 2013

Great Bustard wrote:

Apewithacamera wrote:

5D 3 top and my gut feeling is that the bottom photo was taken with a Canon 40D

Pray tell, however did you come to that remarkable conclusion? 

LMAO

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qianp2k
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Re: An amazing guess!
In reply to Great Bustard, May 28, 2013

Great Bustard wrote:

Apewithacamera wrote:

5D 3 top and my gut feeling is that the bottom photo was taken with a Canon 40D

Pray tell, however did you come to that remarkable conclusion? 

It's a guess game so we can guess in whatever way based on whatever belief. Someone can deliberately to make a G15 photo looks better than D800 or 6D/5D3 if you really believe that has any meaningful consequence that you will sell your 6D to get a G15 instead.  It's only meaningful that most users will have better photos from G15 or 40D in this case over D800 or 5D3/6D.

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