D600 vs d7100

Started Apr 26, 2013 | Discussions thread
noirdesir
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Re: "It is better, because image circle is larger" - enough said
In reply to ultimitsu, May 14, 2013

ultimitsu wrote:

noirdesir wrote:

No, I asked you about the relative performance of two specific lenses and you said:

"It [lens A] is better because [its] image circle is larger the resulting image has much more detail, a native strength of being FX."

Then you trot out a lens test that supposedly shows this but which at closer analysis actually disproves it. You were the one who used the larger image circle as an absolute rule to supposedly prove that the Sigma is a better lens than the Tokina.

you should read posts in their totality. following that passage i also wrote:

But when compared to FX lens it is very difficult for 11-16 to beat them on total resolution and speed.

I did not write

But when compared to FX lens it is impossible for 11-16 to beat them on total resolution and speed.

You first said that a specific FX lens is better than the Tokina. Then you made a general statement that it is difficult to for Tokina to beat any FX lens. So, you opened the possibility that the Tokina could be better than some FX lenses. These are separate statements, first a specific comparison and second a comparison with the whole body of FX lenses. The second statement is not controversial because terms like 'difficult' can span a wide range of conditions and overall larger formats produce better lens performance. And thus, I did not criticise your second statement.

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