At least not with the current EF lenses?

It would seem that the problem with producing  a full frame sensor is far
from resolved.

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.

Lenses for the new Contax N full frame (24x36mm) digital have a much larger
exit pupil than their film camera counterparts.

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

Digital backs for MF cameras all use a much smaller sensor than the image
circle of the lens.

So the cynic in me thinks that it's all done for commercial reasons, but
maybe not?

Does anyone with a better understanding of this have any comments?

Craig Z

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