Is there any literature on this? robt At 10:31 PM 1/14/98 +0100, Jaap van der Burg wrote: >Robert A. Baron wrote: >> >> Does anyone on museum-l have any information on the harmful effects (or >> lack of harmful effects) of electronic flash photography on paintings, >> manuscripts and paper works of art? >> >> Thanks for your information. >> >> ================================= >> Robert A. Baron >> mailto:[log in to unmask] >> http://www.pipeline.com/~rabaron/ > > >Of Course Flash lights do effect objects. However as with all damaging >factors, the issue is more what do you deem acceptible and what not. >A light level of 50 lux with 75uW/lum UV is accepted in a permanent >exhibition. (8 hours 365 days per year for 10/15/25(?) years. >Compared a flashlight with maybe 5000 lux and 300uW/lum UV for 1/250 of >a second tots up to about 2 seconds normal lighting. > >Clearer is the damage to eyes, and do not forget the security camera's. > >Hope this is of use. > >Jaap van der Burg >Collection Care & Consult >(www.xs4all.nl/~gerlach/ccc) >