Leitz 16471J (AKA OTRPO) lens head extension tube brand_Paul C Buff except for- and I am

except for- and I am going to take a few breaths to try to calm down before I continue this description- an ID number engraved on the side of the viewfinder

This one's in fantastic condition

there is very light internal haze which will not affect imaging

This is a black-paint DA-1 in very good condition

and pushes cleanly

Leitz 16471J (AKA OTRPO) lens head extension tube brand_Paul C Buff except for- and I amThe Leitz 16471J (AKA OTRPO) lens head extension tube can be used to increase the magnification of lens heads used on a Visoflex setup. requires a Visoflex, a focusing mount, and a lens head with a matched tube all sold separately. In good working order, with some cosmetic wear.