The lens ratio of E-10 claimed by Olympus is 36mm equal to 140mm (in 35mm),
it is 3.89x. The diagonal of 35mm film is 43.2mm. So I think the diagonal of
E-10's CCD is around 11.1mm. (the different aspect ratio of 35mm system and
E-10 is ignored)
C.H.Ling
----- Original Message -----
From: "Paul Wallich"
>
> It's worse than that. The 2/3" and such designations don't actually
> refer to the size of the chip (focal length comparisons will make
> this clear) but to the diameter of the vidicon tube that would hold
> the sensor if you were using an old-style vacuum-tube television camera.
> 2/3", for example, is a chip diagonal of something like 6 or 7 mm.
>
> paul
>
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