Is FF sensors going to slowly phase out?

Started Apr 11, 2013 | Discussions thread
Erik Magnuson
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Those are APS compacts with slow lenses
In reply to forpetessake, Apr 12, 2013

forpetessake wrote:

I don't know how the myths about FF manufacturing difficulties, size, and weight, etc. got propagated, probably because people have short memory.

film and digital

There were plenty of tiny 35mm cameras in the film days,

Those are all APS cameras.

there is nothing that prevents manufacturing of tiny digital cameras with FF sensor other than cost.

Actually, it's lens design.  Film doesn't have microlenses or care about the angle of light hitting the image plane.  Digital sensors do -- simply look at a cutaway of the RX1. See that huge lens element right in the back near the sensor plane?

Regarding manufacturing costs, as the old saying goes, every chip eventually costs $1.

Only because you can "shrink" the chip size to make it smaller or more dense.  But shrinking sensor chips doesn't quite do what you want.   Silicon costs per unit area and simple geometry of number of sensors that fit on a 8" round wafer vs. how many you lose if there are 2 random defects per wafer show that costs go up geometrically with area.   This is chip economics 101 stuff, just google it.

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Erik

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