You can no longer say to have always heard the same "theory". My data about glass transmission and photolysis can be checked in every elemental optics and biology texts, if needed. It is common knowledge. However, fungi also hate ventilation... Have you got any written evidence of fungi disinfection by UV above 300 nm or of ordinary optical glass transmission below this wavelength?
A. Mart�n Doctor of Physics Master of Chemistry [EMAIL PROTECTED] wrote on 14-05-2005 05:58:55: > > > > UV with a wavelength above some 280 nm has virtually no effect on fungi or micro-organisms. Only UV-A can cross normal optical glass. Hence> > > > > 1. I've always heard that if you frequently use your lenses, then the exposure to outdoor light will be enough to kill any fungi or spores that > could develop if you left your lenses in the dark or indoors. > > 2. The statements from you guys are saying UV light is filtered by the glass elements except for a small band width, and that band width has no > effect on fungus growth. > > There is a discrepancy between the theories of these two assumptions. Does anyone have any documented scientific evidence on lens use/lens exposure to outdoor light and fungus growth? > > JD Washington * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
