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Are they the same? and will a uv filter block it if it is the same?
Black light and UV
- Thread starter davidh6781
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- David
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thank you
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- Richard
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Black light tubes emit mainly UV, which you can't see. But it stimulates certain subjects and fabrics to glow with visible light, which of course you can see. A UV filter on the lens will not block the visible effects. There are both UV and IR filters over the sensor anyway.
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It might just be coincidence, but I have felt that focusing when there is a strong UV presence to be more difficult (with and without a UV filter).
I am talking about here places where the 'visible' only light is from reaction to UV light.
I am talking about here places where the 'visible' only light is from reaction to UV light.