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Canon Scoopic MS 16mm


Brant Collins

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Hello,

I don't like one thing of this camera. Radioactive lenses.

I don't know if MS model have this kind lenses but all the others model I have cheeked have it. In concrete have a thorium oxide rare earth lens inside the optical group.

Measured at 1/4" from the radioative lens in my camera, had about 380mR. It's a dangerous level...But this in a few inches to the lenses, it reduces the radiation level to a normal levels

 

 

I think you need to have your counter calibrated or redo your math. Depending on your calibration, you're suggesting your lens gives off about 500,000 counts per minute. I haven't ever seen anything like that in any lens at any distance. Even in the massive 305mm / f2.5 aero-ektars with thorium elements that are now yellowed from radiation, the max is about 400-600 counts per minute at the lens surface.

Edited by Jesse Andrewartha
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