Motic has recently supplied an Epi-fluorescence BA 400 Microscope which is assisting in the research into neurodegenerative diseases, at Kings College London. The microscope is being used to identify very small structures in fruit flies brains which are being tested to show how and why motor neurone diseases occur. The externally mounted 30W halogen Koehler illumination system of the microscope provides bright and uniform lighting through the various contrast methods, enabling close and clear observation of the fruit flies brains. The upright BA 400 inverted ‘Y’ design stand allows an attachment of a reflective Epi-fluorescence illuminator. The microscope boasts three filter modules in which there is an additional blank filter module which enables the BA 400 to be used as a bright field and phase contrast microscope.