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| p.2 #10 · MP wise, where's sweet spot on FF sensors... |
That sounds about right to me. When we get there, and when the processing and storage is easily handled by cameras and computers, we'll be at a point where pretty much any lens will be able to show its full potential through the sensor (at least to a point of diminishing returns). Aliasing will be a non-issue, I would think. Noise at the level of the whole image shouldn't be a problem, certainly not at low ISOs used when max image quality is sought. Maybe there would still be a use for specialty cameras using larger pixels optimized for extreme high sensitivity, but for most purposes the current 36 MP Sony/Nikon does fine, so...
I predict that within two years there will be a FF sensor in the 80-100 MP range aimed at supplanting medium format. This will first be a very expensive proposition, and only worthwhile to those using perfect shooting techniques; later it will become the norm and inexpensive, much like ISO 100 color neg film ca 1980.
As for the "sweet spot" among current cameras, I'm happy with my 18-22 MP FF sensors, because they just happen to be in the newest and best cameras I have, which are "best" mostly for reasons other than the exact pixel density.
I was scanning 120MP images over ten years ago and have more MP than that with pans today, so I don't think that computers are a limiting factor in individual sensor pixel count. Users of higher-end gear can find the computing power and it's not all that expensive even now. By the time we see more MP, it will not be an issue for any but the lower-grade gear.