Olivetti Summa 15

DIY Large Format Camera 57C

KOMZ Industar-51 210mm f4.5

4x5 Foma Retropan 320 soft EI 100 iso

Rodinal stand 1:100 1hr 20min

 

The Olivetti Summa 15 is a mechanical calculator designed in 1949 by Marcello Nizzoli and Natale Cappellaro. I found it in a basement of the University of Genoa. It has been restored (sadly, it's not completely functional) and it is now housed in our department library.

Done