I've finally got around to testing all my M42/M39 lenses with a Geiger Muller Counter. Ten of the lenses are radioactive, shown here.
Here is a video I've just posted on YouTube
...if you're interesting in seeing which of these lenses is the most radioactive; my findings on levels of radioactive doses (close up, on cameras, and at one and three feet away); and conclusions on how dangerous they are.
Tags: Radioactive lenses
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The very first test with this vintage lens once I got it out of package in a hot summer's day.
Musashino Kōki Rittreck 5x7", Fujinar tessar 25cm f4.5, Kodak Tri-X 320 developed in Ethol UFG 3 minutes, wet-mounted drumscan.
...::: 4nalog :::...
Tags: koki rittreck view 5x7 13x18cm 13x18 large LF fujinon b&w monochrome analog analogue analogica analoog ethol ufg travel discover experience drum scan drumscan scanner pmt photomultiplier tube mustvalge film musashino eesti estonia estonian portrait man elderly simple worker bokeh fujinar tessar 25cm kodak tri-x 320 TXP portree eestlased eestlane wista
Paatna, Lääne-Virumaa, Estonia
Tags: lepidoptera liblikalised insecta putukad insects moth sirptiiblased drepanidae National Moth Week Kase-sirptiib Drepana falcataria Pebble Hook-tip
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Tags: Sagadi Lääne-Virumaa Manor Estonia Landscape Canon