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Here is the Galileoscope with a 10mm Vixen LV (giving 100x) and a 20mm Televue plossl (giving 50x) in the modified diagonal (2x)
This does make it easier to get fine focus. I set the eyepiece part way into the diagonal (see third image), obtain rough focus with the draw tube, then ease the eyepiece up and down to get fine focus. Much less effort and vibration of the scope.
Note that I need to tip the diagonal to one side to allow use of the "gunsight" for aiming.
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