Max Berek 1922 Lens design attached with all strange numbers.
Peter Karbe , Leica Chief Designer gave a interview about apo summicron.
He was talking about the 100 year tradition of Leica and his following the old Leica designers.
And he started to talking about worlds first 50mm lens designed by Max Berek.
Angaben über Optik der Rechenabteilung Prof.Berek für Konstrüktionsbüro Engelmann
Peter Karbe & the Leica APO-Summicron-M 50 mm f/2 ASPH.
from Leica Camera PRO 3 years ago NOT YET RATED
Peter Karbe works as a lens designer and head of optics development at Leica Camera AG. Building on a hundred years of history, Peter introduces the Leica APO-Summicron-M 50 mm f/2 ASPH.
I recorded max berek 1922 lens recipe from his notebook video.
Find pdf file .