It is compatible with Leica brand microscopes and is an excellent addition to any medical laboratory, oncology, or endocrinology department. The Leica HI PLAN 40x/0.65? /0.17 Microscope Objective Lens OFN25 506236 is an ideal accessory for professionals who require a high level of accuracy and precision in their work. With this microscope objective lens, you can expect unparalleled performance and reliability.