This Leica C Plan 4x/0.10 objective lens, model number 506074, is the perfect addition to any laboratory microscope. With its high-quality optics and precision craftsmanship, this lens delivers crisp and clear images that are perfect for a wide range of scientific applications. Ideal for use in medical, lab, and dental settings, this Leica lens is compatible with a variety of microscope models and is sure to provide reliable and accurate results every time. Whether you're studying cellular biology, conducting research, or performing routine lab work, this lens is a must-have tool for any professional or amateur scientist.