35 mm

O.1935-2

Neutron radiography of a 35 mm film SLR camera. Dark components in the neutron radiograph are due to plastic components which in turn are almost transparent to x-rays.

https://mnrc.ucdavis.edu/neutron-radiography

radiography of a 35 mm SLR camera. Dark components in the neutron radiograph are due to plastic components which in turn are almost transparent to x-rays.

https://mnrc.ucdavis.edu/neutron-radiography

http://archivesgamma.fr/2022/03/21/35-mm