Kevin, I used a 2x Barlow in conjunction with a 9mm eyepiece which gives me a mag of 122x. The video file is cropped in PIPP. I find with set up I'm right at the end of the Esprit 100's backfocus and the T adapter is just hanging in there. I think if I was to try a shorter focal length eyepiece such a 5mm to get more magnification, then I probably wouldn't get focus.
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