Elevate your microscopy experience with the UNICO 40X Din Achromat Objective. Designed for precision, this objective features a numerical aperture of 0.65, ensuring bright and clear images. The retractable front lens adds convenience, allowing for easy cleaning and maintenance without compromising performance. Ideal for biological and educational applications, this objective is compatible with standard DIN microscopes. Enhance your observations and achieve stunning clarity with this reliable and versatile optical component. Perfect for both professionals and enthusiasts alike!