Chris, there are actually two distinct steps between a DSLR and a mono CCD camera.
Cooling your DSLR will allow you to move on to the limits of what a DSLR
can do,[ there are stunning DSLR images out there, they just take skill and commitment to acheive] and at a fraction of the cost of a mono CCD camera.
The second step is an OSC [one shot colour] camera which is a sort of half way house between a DSLR and a mono CCD camera, both performance wise and cost wise.
raymo
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