AmScope 100X Achromatic Microscope Oil Immersion Objective with Black Finish

This is a 100X achromatic oil-immersion objective lens with black finish for DIN-standard microscopes. Intended primarily for biological applications, it is designed to work with microscopes using 160mm tube-length and 45mm parfocal distance. Achromatic correction provides improved color accuracy and resolution. Compatibility Optical System Finite Mechanical Tube Length 160mm Mounting Thread RMS 20.32mm Parfocal Distance 45mm Lens Specifications Magnification 100X Numerical Aperture 1.25 Corrections Achromatic Cover-glass Thickness 0.17mm Nosecone Spring Immersion Medium Oil Working Distance --> Exit Pupil -->