I need some info on some enlarging Lenses
Most seems very old

Schneider Kreuznach componon and componar
75mm/ (4.5) I think
Wau, thats at lot of blades in a diaphragm

Rodenstock Rodagon
50mm/2.8 (compared to El-nikor)

One called something like cassar 50mm/4.5-f/8.0
(mounted on a Liesegang enlarger)

Items where given to me from a closed down photoclub
Info, links and comments are welcome
Regards Søren