Assembling biological microscope for sperm analysis, Kohler illumination, phase contrast set up

Unboxing, assembling, and setting up Kohler illumination and phase contrast on compound biological microscope for MMC Sperm analyzer. 1:20 Mounting trinocular head with 100/0 beam splitter 2:39 Placing 1x C-Mount adapter 3:56 Installing objectives 4:44 Installing phase contrast condenser 6:05 Installing digital camera 6:46 Kohler illumination setup (condenser centering and 8:53 height adjustment) 9:31 Negative phase contrast setup