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Sounds like he had incorporated his Chromacor with a cheap to make doublet.
Good on him.
It depends on the aperture really. The photo looks like the scope is about 130 - 150mm in aperture and at that size prices are high from all those scope makers.
If he can sell it at a profit for way less than these other large scope makers he may be on a winner.
It would also depend on how large a corrected circle comes out at the end of the scope. Is it only for visual or is it useful for imaging?
Greg.
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