"paul" wrote in message
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Yes you are correct. Any idea how many defective pixels are allowed by
different manufacturers? And how do I recognize them in my camera?

Paul

Paul,

The defective pixels are usually hidden by interpolation in the firmware.
I was slightly horrified to find that my Nikon Coolpix 5700 had at least
512 defective pixels (according to its internal table) but visibly the
image is perfect.

A zero-defect chio might be required for some high-end broadcasting
applications, and will have a commensurate cost!

Cheers,
David