MA603/05 Head on Boom Stands - MA603/05 Head - Inclined Trinocular Head, Non-Erect Image with Depolarizer - UNIMAC Low-to-Mid Range Zoom Macroscopes Heads - UNIMAC Low-to-Mid Range Zoom Macroscopes Series - Biological Stereo Microscopes - Biological Compound Upright & Inverted Microscope for Life Science Research and Education, Live Cell, Cell Biology, Virology, Clinical & Anatomic Pathology