Microscope Swift Stereo 80 Series Professional Grade Mag. 1X, 2X, 3X, 4X Used - The microscopes have 3 way lighting. Optics, Wide field 10X eyepiece. The Swift Stereo 80 (Series 80) was introduced by Swift Instruments in the mid-1970s. The official operational and maintenance manuals for the instrument were published and copyrighted by the company in 1974. The microscopes were manufactured in Japan. There are six of the microscopes and each selling for $69.95 or best offer. The microscopes have been tested and are in very good working condition.