"Chris L Peterson" wrote in message
...

In general, however, there is little need to know pixel size. What is
important is the pitch, and that can be calculated for any sensor from
the pixel dimensions and chip size.

Where can I get more information on pixel size, array size, and the
significance of these compared to the focal length of the objective?

I'm not clear if-and-or-why a large sensor with small pixels is worse for
boosting image scale through long focal lengths, than a small sensor with
larger pixels.......

Seems to me that more smaller is always better.....

-Stephen