I assume the Focal length of your scope is 1200mm which will give you 133x with a 9mm. To get 200x you would need a 6mm EP. I would think that 133 probably isn't enough to split. If you have a 5 or 6mm EP, it may be hard to use as eyerelief and and exit pupil are tight, so a barlow can help, a 2x barlow will give you 266x in the 9mm.
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