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Hi StutzJr,
Be very wary of unscrewing eyepieces especially high power ones for several reasons:
If you unscrew it, part of it may come off in your hand. That's the good news. The bad news is if you aren't very careful, something else will be left behind in the focuser, and could easily hit the ground or worse, the primary mirror of the dob, marring the surface.
If it turns out you unscrewed part of the optics, high power eyepieces tend to collect bits of dust and fluff very easily that will appear as big black blobs in the field of view, attempts to "clean" will be less than successful. Lastly, if you have dismantled it, after reassembly they never work as well as they did originally.
Bottom line is DON'T, if you value them.
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