FED-5c lenses

FED-5c lenses

The lenses, up close. The Leitz Summar I purchased in order to test the first FED-5c, but… The second FED-5c came with its original Industar 61-L/D, whose glass is doped with a small amount of radioactive Lanthanum. (Daniel J. Schneider)

The lenses, up close. The Leitz Summar I purchased in order to test the first FED-5c, but… The second FED-5c came with its original Industar 61-L/D, whose glass is doped with a small amount of radioactive Lanthanum. (Daniel J. Schneider)