> Except that it also only has a single CCD with 28.7 x 19.1 mm size.

	No, two mistakes here: the 1Ds is a full-frame 11 Mpix CMOS sensor  :-)
	{And I believe its manufacturor will release soon an update that will
make it become a 16 Mpix sensor; wild guess based on the release of the recent
20D consumer camera, and by the last 5-years development strategy of the
company}.

> For the D1 it is called "Lens focal length conversion factor".

	It is called like this for all digital cameras, although that's much
more useful for DSLRs I admit (consumer as well as prosumer markets).

> hence CCDs with
> 36*24 mm are rather expensive, but there are a few available these days
> afaik.

	The only full-size CCD I know of is in the K*d*ck DCS 14n (14 Mpix).
Larger CCDs are found in non 24x36 formats (don't know the appropriate term
in english) mostly used in studio for packshot-like productions, or maybe
landscapes.  As these cost much more than the price of a small new car  ;-)

	- NC

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