Insize ISM-PM50, PORTABLE MEASURING MICROSCOPE, 50X, 6928640371080

Total magnification 50X. Eyepiece 10X with graduation.
Objective (achromatic) 5X (numerical aperture: 0.12).
Working distance 1.69″. Graduation.0008″/ 0.02mm.
Viewing field .14″DIA. Focus range 1.18″DIA.
Illumination LED light. Diameter of base 2.48″DIA