The Pre-Owned - AS-IS Schneider Kreuznach Componar 105mm F4.5 Enlarging Lens with Flange Screw is a high-quality imaging tool manufactured by Schneider. This lens is designed for enlarging photography applications and offers a focal length of 105mm and a maximum aperture of F4.5. While the lens is in working condition, it requires internal cleaning to restore optimal performance. Perfect for photographers looking to experiment with enlarging techniques, this Schneider lens is a valuable addition to any photography equipment collection. Please note that this product falls under the 'Pre-Owned - AS-IS Schneider KreuznachComponar 105mm' category and may require maintenance.