I've recently been looking at some of the (to me) competitive digital
cameras. I want a small one, and will either use it in conjunction
with my much larger older one, or if it's good enough, it will be a
replacement for it.
However...
When looking at the CCD tech info, I find the following data, on the
three cameras I"m considering:
type size color depth
OptioS 1/2.5" inline CCD 3.34 Mpixels 10 bit x 3 colors
Pentax 450 1/1.8" 4.13 Mpixels 10 bit x 3 colors
Pentax 550 1/1.8" 5.25 Mpixels 12 bit x 3 colors
Then I compare this data with what's on the spec sheet for my
Epson PC750Z digital and find:
bit depth
1/2.7 CCD 1.25 Mpixels 24 bit x 16 meg colors
I suspect "color depth" and "bit depth" are somehow different, but I
don't know how.
I DO know my Epson performs far better than I had any reason to
expect, and a lot of that is probably due to the method of
interpolation used by their Hy-Pict� image enhancement software, but
how to relate or compare 'color depth' to 'bit depth?'
Any ideas?
keith whaley
