Optically Worked Double Convex Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Color coded periodic table Periodic table Chemical elements Periodic table poster Many industrial and hobby hot

Optically Worked Double Convex Glass Lens, 75mm Diameter, 300mm Focal Length, Alternate Model Color coded periodic table Periodic table Chemical elements Periodic table poster Many industrial and hobby hotAlternate model 75mm double convex glass lens at 300mm focal length, the optically worked surfaces and ground polished edges parallel to the main line 300mm focal lens for backup stock use.

SKU: 67089878355 · From clintoncounty708.com