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An issue is what kind of scope you are putting it on. If it needs a flattener/corrector or if you plan using a reducer, then back focus issues PLUS the diameter of the light circle coming of the back of that will decide what other gear to use. For example the WO-P4 flattener I use on my FLT110 has a T-thread male back end to it, but WO also make another flattener with a 11002-sized exit path but with a fixed back focus of 68mm or something like that and it has a 54mm male back end. The SX OAG supposedly will accommodate an 11002sensor. And you could probably get away with 50mm filters in an SX filter wheel.
Peter
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