You're learning the new math.. How many are white? ie, does the white light optical resolution match that? Same for .. say pure red (ie, no light through the other two colored filters.. or cyan, etc)? > -----Original Message----- > From: tclug-list-admin at mn-linux.org > [mailto:tclug-list-admin at mn-linux.org]On Behalf Of Tim Wilson > > > On Wed, Sep 04, 2002 at 07:45:32PM -0500, Chuck Cole wrote: > > "Megapixel" alone doesn't tell you whether it's a linear or > rectangular > > array. Sometimes the details really matter and pixel-level > asymmetry can > > really mess up image processing math. Many CCD devices are > TV format > > (something unrelated to 640x480 maybe 512x320. interlaced > formats can get > > into the act also), scientific ones have square pixels and usually a > > symmetric array like 512x512 or larger. Cameras are > usually not meant (ie, > > "not supported") for any technical or scientific purpose, > so it may be best > > to ignore the details finer than +/- 25% pixel count unless > you have a real > > need to know. Kodak supports some of their cameras.. > including some source > > code. > > Well for the record, my Canon S40 manual says 4.1 million total pixels > and 4 million effective pixels. The largest image the camera produces > is 2272x1704 which works out to be: > > >>> 2272*1704 > 3871488 > > How's that for an answer. :-) > > -Tim > > -- >