View Full Version : Hensoldt-Walkar 400mm f/4 Ed.Liesegang Dusseldorf infor ?

17-Apr-2012, 20:59
Hi all:

I am wondering if you guys know more information/example made about this len as I tried to dig up more infor in Vade Mecum/interweb but don't have much further infor. I know this is some sort of projector len and is of Cooke triplet configuration.