On Mon, Mar 04, 2002 at 01:10:37PM -0000, Craig  Zendel wrote:
> As I understand it, the difficulty lies in the thickness of the sensor and
> RGB filter.
> 
> If the sensor where made bigger, light travelling to the edges may be at
> such an acute angle as to pass through the wrong part of the RGB filter,
> causing incorrect colour, etc. Using the central part of the image circle
> this is not a problem.

Even if this is true, it wouldn't apply to sensors that don't use a
color-filter matrix, like the Foveon X3.  OTOH, the X3's description makes it
sound as though color selection is based upon the distance light travels
through the silicon, which would be different for light arriving from acute
angles - but the description is pretty vague as yet so that might not be a
problem.  

> The new Foveon x3 sensor has a multiplier of 1.7. Is this because of the
> triple thickness of the array?

No.  Their stated future plans do include larger sensors.

        John
--
John DuBois  [EMAIL PROTECTED]  KC6QKZ/AE  http://www.armory.com./~spcecdt/
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