This is a 0.5X achromatic objective lens with 57.8mm (~2 1/4") thread for our common-main-objective stereo microscopes, such as the PM200, PM230, and PM240. This lens will produce half the magnification of a 1X objective, effectively doubling the field-of-view.
Specifications:
Magnification: 0.5X
Mounting Thread: 57.8mm
Dimensions: 60mm diameter, 18.5mm height
