On Mon, 18 Mar 2024, Sebastian Moeller wrote:
I'll point out that professional still cameras (DSLRs and the new mirrorless
ones) also seem to have stalled with the top-of-the-line Canon and Nikon
topping out at around 20-24 mp (after selling some models that went to 30p or
so), Sony has some models at 45 mp.
One of the issues is cost, Zour sensor pixels need to be large enough to
capture a sufficient amount of photons in a short enough amount of time to be
useful, and that puts a (soft) lower limit on how small you can make your
pixels... Once your divided up your sensor are into the smalles reasonable
pixel size all you can do iso is increase sensor size and hence cost...
especially if I am correct in assuming that at one point you also need to
increase the diameter of your optics to "feed" the sensor properly. At which
point it is not only cost but also size...
I'm talking about full frame high-end professional cameras (the ones where the
body with no lens costs $8k or so). This has been consistant for over a decade.
So I don't think it's a cost/manufacturing limit in place here.
There are a lot of cameras made with smaller sensors in similar resolution, but
very little at much higher resolutions.
at the low end, you will see some small, higher resolution sensors, but those
are for fixed lens cameras (like phones) where you use digital zoom
David Lang
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