Olympus CAch N 10x/0.25 PhP ∞/- /FN22 Phase Contrast Microscope Objective LensOlympus CAch N 10x 0. 25 PhP FN22 Phase Contrast Microscope Objective Lens The Olympus CAch N 10x 0. 25 PhP is a high quality phase contrast objective lens designed for transmitted light microscopy. With a 10x magnification and 0. 25 numerical aperture, it provides clear imaging of live cells and transparent specimens under phase contrast conditions. Compatible with infinity corrected optical systems, it is engineered for use with Olympus research and