31-1/4x Magnifying Lens for S-T Industries Optical Comparator 3500 / 3700 Series

This 31‐1/4x magnifying lens is for use with your S‐T Industries Optical Comparator 3500 / 3700 Series.

31-1/4x Magnifying Lens for S-T Industries Optical Comparator 3500 / 3700 Series