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The main advantage of the 14-24mm is the widefield. I shot this at 21mm (it was taped from an earlier session and I thought it was at 14mm).
24-70 is fine, especially if you do panoramas. I intend to do some panoramas with it next as I think it will show less distortion.
As far as noise goes I was simply referring to the mathematical relationship.
If the higher QE sensor gives a signal of say 100 then square root is 10 noise = 10%.
But if poorer QE gave a signal of 49 then square root is 7 and the percentage of noise then would be 14.3%. So %-wise you gained an improvement in signal to noise ratio.
D800E QE is 57% and a lot of DSLRs are more like 28% (approx half).
I believe this is the relationship. QE is king, so is low read noise.
Having said that I don't see much difference between these images and posted Canon 5D2 images or 5D3 images.
Greg.
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