Reply to "How to illuminate RR portraits?"

Tom TeeOGR Forum Member

I got concerned after reading the comment above. Presently I have sixteen 4' 6500K bare naked T-5 tubes about 200 degrees exposed in a 13" X 20' room wherein are hung the pictures. Is the comparative time frame mentioned below reasonable? Should I replace the lights? How long would it take to see fade? As an older person I am betting observed fade against replacement cost over life expectancy.

3. Fluorescent Lights Give Off Ultraviolet Light

Ultraviolet emission Fluorescent lamps emit a small amount of ultraviolet (UV) light. A 1993 study in the US found that ultraviolet exposure from sitting under fluorescent lights for eight hours is equivalent to only one minute of sun exposure.

5/21/197:34 AM

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3. Fluorescent Lights Give Off Ultraviolet Light

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