Get from Amazon : http://www.amazon.com/gp/product/B007LBDGPC?tag=wayofcats-20 <br /> <br />AmScope ZM10 1X Barlow Lens For ZM-Series Stereo Microscope Heads 48mm Diameter Mount <br /> <br />10x Barlow lens protects microscope objectives from damage <br />48mm mounting diameter <br />For use with AmScope ZM-series microscope heads :
