Trinocular Head inclined at 45-degrees. Both side co-axial focussing knobs. Quadruple revolving nosepiece with accurate centering & positive click stops.Large Co-axial Mechanical Stage for X-Y movement of specimens. Brightfield vertical illuminator 6V-20W Halogen with field diaphragm, filter slots and bulb centring mechanism.Objectives Achromatic DIN M4X-M10X & M40X. Eyepieces H6X-WF10X-H16X