D600 vs d7100

Started Apr 26, 2013 | Discussions thread
MikeInIndy
Senior MemberPosts: 1,075Gear list
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Re: Why so defensive?
In reply to Grevture, May 3, 2013

Grevture wrote:

MikeInIndy wrote:

And that's giving you the benefit of your argument that we must compare a stop faster lenses.

Here I think is the crux of the matter: We want to compare prices of lenses giving the same real life performance, while you bring up price comparisons of lenses which deliver different performances.

And yes, you really do need one stop faster lenses on DX to be able to deliver the same performance. That is not some oddball idea, it is a very real consequence of having half the sensor area

There's really only one thing you need a stop faster lens for, depth of field control.  Getting into light sensitivity would be like saying back in the day we compared lenses differently based on what film was behind them.  At the end of the day a lens is a lens, it's performance is fixed, the performance of the thing it's attached to is not other than depth of field and focal length, you two keep setting up straw men arguments as to why FX is somehow "cheaper" than DX.  In the technical ultimate image quality sense, yes, it is, because DX just plain can't compete at the top end.  But in the "relevant to a thread where some guy asks do I buy a D7100 or a D600" sense, it's just an exercise in semantics.  As I said in my other post, if your argument was that persuasive DX lenses would be marked in 35mm equivalent focal lengths and apertures, or people would be clamoring to make them be marked as such because anything else is deceptive.  Perhaps you guys should get together and sue Canon and Nikon for false advertising.

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-Mike

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