A23 Continous Zoom

Continous Zoom Microscope, is stereo microscope with contionus zoom objetive, which can zoom continously like from 0.7x to 4.5x. It required a more complicate design in objective to assure the magnfication in both eyes can be zoomed continously and keep same power all the time. The Parallel-optics zoom system allows more function attachment to be added into optical path, is more prefered by user than Greenough zoom system.