I managed to rig up a substage light that works at higher powers and gave it a little test with some prepared slides that came with my scope years ago.
I used my no name 12.5x eyepiece with my old 40x objective and snapped them with my phone.
Canon 5D and 30D | Canon IXUS 265HS | Cosina 100mm f3.5 macro | EF 75-300 f4.5-5.6 USM III | EF 50 f1.8 II | Slik 88 tripod | Apex Practicioner monocular microscope