[Imaging Resource] Are your old lenses radioactive?
A radioactive Leica 50mm f/2 For nearly 30 years, camera producers were making lenses that were optically excellent but had a very curious side effect — they were notably radioactive. These so called "radioactive lenses" put off enough radiation that to this day http://www.youtube.com/watch?v=w3OTHyaz1uw (but don't worry, the levels are so low as to be near harmless). If you take a lens made between 1940 and 1970, crafted by luminaries such as Carl Zeiss, Kodak, Olympus, Voigtlander and more, and hold it up to a geiger counter, you'll get a...
(read more)
More...
Odp: [Imaging Resource] Are your old lenses radioactive?
Standard i nic nowego... Olkowa 50 f/1.2 (OM) tez byla zdaje sie "radioaktywna", a przynajmniej jakas partia. Wszystko dzieki powlokom optycznym ktore cos tam radioaktywnego zawieraly, ale i tak jakies szczatkowe ilosci. Robienie z igly widlow :)
T.
