Wray "Supar" enlarging lens, 4in. f4.5 lens with iris diaphragm to f22. No.51933 Wray 'Supar' enlarging lens
Enlarging lens F.5.6, 6 inch f.l. in a rigid focusing mount and ring type diaphragm. Aldis Ernemann, c. 1920. Aldis Enlarging Lens, c 1920 1915-1925
A Dallmeyer Anastigmat Enlarging Lens F.3.5 2 inch f.l. Coated, with a ring type iris diaphragm Dallmeyer Anastigmat Enlarging Lens circa 1950
