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Zobacz pełną wersję : [Imaging Resource] Are your old lenses radioactive?



RSSBot
6.05.13, 22:50
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 (http://camerapedia.wikia.com/wiki/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) (http://www.imaging-resource.com/news/2013/05/06/are-your-old-lenses-radioactive)

More... (http://www.imaging-resource.com/news/2013/05/06/are-your-old-lenses-radioactive)

Thomasso
6.05.13, 23:06
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.