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Description
Taken with the recently received Canon EF:
I wanted to see how film would react to this UV light tube when compared to my digital camera, which seems to be immune to the UV wavelenghts that the tube emits. As you can see on the photo, the film is exposed by the tube itself, even though it appears black to the naked eye when turned on. And that's just how the digital camera showed it:
Either the lens on this camera is more permeable to certain UV rays, or the film is indeed sensitive to it, while the sensor is not. Or perhaps there are secondary effects that cause photon emission, which then exposes the film, also a possibility.
I wanted to see how film would react to this UV light tube when compared to my digital camera, which seems to be immune to the UV wavelenghts that the tube emits. As you can see on the photo, the film is exposed by the tube itself, even though it appears black to the naked eye when turned on. And that's just how the digital camera showed it:
Either the lens on this camera is more permeable to certain UV rays, or the film is indeed sensitive to it, while the sensor is not. Or perhaps there are secondary effects that cause photon emission, which then exposes the film, also a possibility.
Image size
1200x800px 578.49 KB
Make
NORITSU KOKI
Model
QSS-32_33
© 2012 - 2024 shenanigan87
Comments8
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And yet, the naked eye can also see this phenomenon. To a limited extent. As illumination, a UV lamp isn't very bright, but it isn't exactly just soaking up energy, either.