This is a brand new 0.5X Barlow (auxiliary objective) lens for AmScope SH series stereo microscopes. It doubles the working distance and field view of SH series microscopes. It comes with a 1-7/8" (48mm) mounting thread. Give your microscope a boost with greater power & clarity at a fraction of cost.

Features & Specifications :

• 0.5X Magnification Power
• Increases Working Distance of Your Microscope
• 1-7/8" (48mm) Mounting Thread