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I "believe" that the current line of SW Maks use the same standard threading for the back as do Celestron and Meade SCTs. If so then the .63x reducers that are sold for those SCTs will fit. I used to have the Orion Apex 127 Mak and used the .63x Celestron reducer on it but needed special adapters from Scopestuff. At any rate, it worked wonderfully.
If the reducer fits your 180 then it will become f/9.5. The reducer itself cannot take the full field stop of a 2" eyepiece but I find they generally work well visually with field stops as large as about 36mm. Not sure the 35 Pan would work because its field stop is larger at almost 39mm. But if it did it would get you about 50x and 1.3 degrees TFOV, and a 17.5 Morpheus would get you 100x and .78 degree TFOV, and the 11mm ES82 would get you 155x and a .5 degree TFOV. That would be a nice lineup giving you 50x, 100x, 150x. And if the Pan is too expensive then just get the ES68 equivalent as they generally give you 95% or more of the performance of the TV equivalents IMO.
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