Quote:
Originally Posted by Shiraz
By the way, the Rowe coma corrector works exceptionally well
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It's a curious thing, others have tried and failed with that corrector even though it leaves little to be desired optically (when used with a small format sensor). I would put that down to BFD spacing errors giving the Rowe corrector a bad rep' when it isn't applied properly. You seem to have it nailed though.
I'd be interested to see one of your full frame raw images at native resolution. Without seeing that, I couldn't say for certain, but I suspect your system limit is charge diffusion. For a given focal length, that's as good as it gets from the perspective of the application of opto-mechanical principles pertaining to ccd imaging.
regards,
~c