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Tradeoff of D300 vs pro lenses? Spurious argument?

rbeal

Cheltenham, UK
529 posts

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rbeal Registered since 16th Aug 2006
Thu 10-Jan-08 10:45 PM

Here is an argument that I thought about. Say what you think, by all means demolish it, but explain why it's wrong please.

1. Suppose you want a given quality of noise level in poor light.
2. Ideally you would have a D300 rather than a D200 (or D70) and you would also have pro lenses, eg zooms with f/2.8. (Let's leave the D3 out of this).
3. But suppose you can't afford all that, and don't like the weight.
4. The D300 has a 1.5 to 2 stop advantage over the D200.
5. The pro lenses have a 1.5 to 2 stop advantage over the cheaper lighter lenses (e.g. the 70-300 VR).
6. It is cheaper to buy a D300 with several zoom lenses at f/4-f5.6, than a D200 with several pro zooms at f/2.8. The D300 will give better noise with every lens.
7. In fact the D300 option is both cheaper and less heavy, to achieve the same noise level.

Conventional wisdom here is that buying the best lenses is more important than buying a better camera. I understand that the lenses are a longer term investment.

But doesn't the logic above seem to show that the opposite is a better decision?

Richard

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Reply message Nope.
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