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