The Rodenstock 75mm for 4.0 Rodagon-N Lens sets new standards for the most stringent demands of professional enlarging techniques. Optical clarity is high in both black and white enlargementsThe top quality Rodenstock 75mm for 4.0 Rodagon-N Lens is ideal for 6x9cm enlargingWhenever a highest reproduction quality is required, the Rodenstock 75mm for 4 D Enlarging Lens will be the best choice