Lomo Biolam / MBB-1A KOH-3 microscope condenser | Abbe KON-3 N.A. 1,2 with iris diaphragm - Video 1

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Lomo Biolam / MBB-1A KOH-3 microscope condenser | Abbe KON-3 N.A. 1,2 with iris diaphragm

Video 1 – Lomo Biolam / MBB-1A KOH-3 microscope condenser | Abbe KON-3 N.A. 1,2 with iris diaphragm