Archived posting to the Leica Users Group, 1997/03/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Existing fungal growth will have to be cleaned by a repairman. Serious infestations can destroy the lens coating and may even slightly pit the glass. I keep my all my lenses and cameras in humidity controlled cabinets - set at 40-50% RH. I have done this for years and it is very effective in preventing fungal attack. When I am out in the field (at 90% humidity in the tropics), I use no additional protection even up to 2-3 weeks at a time as fungal growth takes time. Silica gel is hardly useful in the tropics. It takes just a few minutes to render the substance inactive. Dan Khong >On Sun, 9 Mar 1997, Rosesanan Soon Lai Yoke wrote: > >> Hi, >> >> I have been placing my fungus infected lenses and m3 rangefinder under a >> table lamp in the hope that the fungus may die. The reason why I am doing >> this is that in the past, when I did not use a lens for a period of time, >> some fungus started growing, when I started using it again however, it >> noticably diminished. My hypothesis is that exposure to light kills the >> fungus. Any comments?? >> >> Also, what can be done to preserve photographic equipment in high humidity >> places like Malaysia?? Any ideas?? >> >> --ADi >> >> >I assume you are referring to Leica lenses? If so, have you asked >the Leica Company the same question? Perhaps they have heard of similar >problems and have an answer for you, other than keeping your >cameras and lenses in a humidity-controlled cabinet. Of course, you >must remove them to make pictures. This could be a prevention, >not a cure. I would like to know what the lens maker recommends. >Ed Meyers > >