Excellent for General Diagnostics, the Volk 20D BIO Lens is renowned worldwide for its clarity and precision, pioneering double aspheric lenses for BIO. It provides a superior field of view and magnification for the 20D Lens, with a comfortable 50mm working distance. Serving as a primary diagnostic tool, it's also perfect for advanced central retinal exams. Key features include a 46/60 field of view, 3.13x image magnification, 0.32x laser spot magnification, and a 50mm working distance. Available in autoclave sterilizable or single-use designs, and various colors. Part Number: V20LC. Includes a Cleaning and Care Guide.