Canon Lens FL 58mm F/1.2

[Canon FL and FD mausoleum]

The radioactive lens III

Two different versions of the lens have been documented in Canon Camera museum but it is unknown what the difference is.

Here is the radioactive-58 together with the non-radioactive Canon FL 50mm F/1.4 II

Level of radioactivity

Dose rate measured up to 5.85 μSV/h (measured from the rear element).

© Vesa Vähälummukka 2008-2015