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Originally Posted by DerAlte  I still do, and not in a hurry to change. Taking pictures is not about 'technological advances'. That serves only to talk about high tech, and not about capturing moments. Ever thought about how many cameras Ansel Adams, for example, changed to 'leverage technological advances'? One reckons with, and compensates for, the shortcomings *before* one composes and clicks. |
Well, that depends on the type of photos you take. All things being equal, the newer cameras do have significantly better image quality. And if you need to take low light shots, then the recent cameras blow away the D40s.
I used a D90 for a long time, I see the differences with a D7100 every day. I shoot wildlife/nature, so my needs might be a bit different.
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Originally Posted by Sawyer Incremental or not depends on a point of view, nature of use and user capability.
Someone that does not need the extra speed, does not want to print mural size prints, and does not need to crop his work may well not want to change. 6MP is plenty if you know what you are doing.
If I was buying to get into the hobby today, I would buy a used one, one or two generations older, to be able to start with better lenses for the same budget. If I wanted to replace, I would ask myself the above questions. |
Depends on the genre. E.g. 6 MP sucks for wildlife or sports in today's world. Disposable income has increased, the talent base has become broader, given similar skills a 6MP will be far inferior to a 16 or 24MP camera. And it is proven that a higher MP camera increases lens sharpness significantly. Compare in DXOmarks.
And a good fast lens usually costs more than a camera (crop sensor, not speaking about full frames). With limited budget, it is cheaper to upgrade bodies than lenses, especially given the improvements in low light capabilities and dynamic ranges. How much does a 24-70 f/2.8 cost? How much does a 200-400 f/4 cost?

And how much incremental value would a typical user get from a 24-70 f/2.8 vs. a 'cheap' 18-105?
I am a Nikon shooter, so might be biased. But a D3300 or D5300 has a fantastic sensor, the best in the world for a crop sensor. It will blow away a D40, unless conditions are perfect. And if conditions are perfect, you can do justice with a point and shoot or a small sensor mirrorless, you don't need a DSLR.
Let's not talk about Ansel Adams etc. If one has that kind of talent then one can do many things. It is the not so talented, but enthusiast folks who need to make the most out of their limited budgets.
Thought experiment: what do you think Ansel Adams would have done with a D800E?
Ok, a last tongue in cheek comment: when one buys new gear, one is sometimes motivated to put time and effort and go to the next level of competence. That makes it worth upgrading, doesn't it? :-)