[ATM] sub-apeture maskutov corrector

[tom bouthillier]

I wondering if anyone has looked at the performance of these types of telescopes. I'm looking for a OSLO design ( or similar) for a klevtsov (TAL) design so that I can compare the performance. I'm also seeing some contradictory statements on a new Vixen--- does it use the klevtsov design or a simple sub-aperture maskutov design ? 
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