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Yes, it would be interesting to see test images, like those I posted here and on another thread (just a crop of a star, from centre and from corner of the frame, not overexposed so that it is possible to see the problems like astigmatism, coma etc).
I never sow them though.. people are hiding those pictures like snakes are hiding their legs (this is expression where I am from, I apologise if you do not get it :-) )
However, I would expect MAK to perform better that MTO in terms of image quality.
And yes, MTO (and other Rubinars) is designed like a lens (it has M42 thread) for full frame cameras (so it performs better at frame corners when used on camera with smaller sensors, like one in Canon 400D), so it does not have mirrors or anything like that.
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