Recap of the previous lectures Microscope Imaging and Koehler Illumination http://v.youku.com/v_show/id_XNjY2NDI3NjAw.html 1Recap of the previous lectures 1 http://v.youku.com/v_show/id_XNjY2NDI3NjAw.html Microscope Imaging and Koehler Illumination