The Olympus Plan N 40x / 0.65 Infinity .17 FN22 UIS2 Microscope Objective Lens is a high-quality microscope accessory designed for various disciplines including physical laboratory, hematology, and pathology. Made in Japan by Olympus, a trusted brand in optics, this objective lens provides a magnification of 40x, making it ideal for detailed observation and analysis. With its precise construction and intended use in diverse fields, this microscope objective lens is a valuable addition to any laboratory setting.