The Olympus Plan PL 40/0.65 microscope objective lens is a high-quality, Japanese-made unit designed for use in biological laboratories. With a magnification of 40, this lens is ideal for a range of scientific applications requiring precision and clarity. As part of the Olympus brand, known for its precision optics and reliability, this lens is a valuable addition to any microscope setup in the field of healthcare, lab research, and industrial applications. This item was removed from a surplussed university microscope and was in working order at that time.