Together with the Helvetar 43 this lens was one of the last large-format lenses from Schneider-Kreuznach. It featured an extremely large image circle of 120 mm and very high resolution power. The ALPA Helvetar version used a unified 67 mm filter thread. I was produced in the version Long Barrel, Short Barrel 17, Short Barrel 17 FPS.
Dedicated Center Filter: Schneider center filter IIj for Apo-Helvetar 43 XL, 48, 60 XL, including distancer ring for Apo-Helvetar 43 XL & 60 XL exposure correction 2 EV.