[Leica] Is this how pixels and dpi work?

[richard at richardmanphoto.com (Richard Man)]

Image sensor to pixels, and pixels to printer dots, involve many image
conversion technologies that affect image qualities along every step of the
processing chain. You can't just map it one-to-one like you did.


On Tue, May 10, 2016 at 12:26 PM, Lew Schwartz <lew1716 at gmail.com> wrote:

> My understanding:
> A 40mp sensor (for example) produces information for 10mp points of capture
> due to the fact that the Bayer filter takes groups of 4 input sites (GRGB)
> to produce a single point of capture record.
>
> If we have a full frame sensor, that would produce (@2:3) a capture of
> aprox. 2582p x 3873p
>
> Assuming
> 1.  that the printer & software editors output 1 capture datum to 1 dot of
> print (&I understand that this is not necessarily the case)
>  -and-
> 2. that we output to the printer at 360 dots/in
>
> We would have a print of aprox. 7 x 11 inches.
>
> So is the up & down sizing so good that I can produce images of just about
> any size I want? What's the practical limit on the up side?
>
> -Lew Schwartz
>
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