Zeiss Ikon Ikonta 35 with Zeiss Opton Tessar-T 45mm f/2.8 and synchro-compur shutter (B-1-2-5-10-25-50-100-250-500)
c.a. 1952

The lens is marked Zeiss-Opton because the West Germany part of the Carl Zeiss operations didn't regain the use of the Carl Zeiss brand until 1953