AmScope SM10 1X Barlow Lens For SM Stereo Microscopes (48MM)
This is a brand new 1X Barlow (auxiliary objective) lens for SM and/or SW series stereo microscopes. It comes with a 1-7/8" (48mm) mounting thread and goes with SM and SW series stereo microscopes. It can be used to protect microscope objective lenses. Its retail value is $98.