0.7X Barlow lens for SM series stereo microscopes, extending working distance and field view of the microscope and cutting magnification power by 0.7 times
Professional assisted objects lens Auxiliary for Stereo Zoom Microscope
Mounting size: 1-7/8" (47 mm) in diameter.
It is a right lens for SM series stereo microscopes.
Extending working distance and field view of the microscope and cutting magnification power by 0.7 times