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| p.2 #1 · 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.