HI Matt,
Many SCT owners modify their rear cells to 'lock the primary mirror' in place and then use an after market focuser (e.g. a high quality crayford design) attached to the rear of the telescope to focus. Meade designed this into their LX200 GPS etc. scopes. Celestron haven't - although the shipping bolt holes of the C14 on mine allow some tinkering in this space.
Paul
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