[alt-photo] Re: Alternative Exposure Unit (no pun intended)

Alberto Novo alt.list at albertonovo.it
Fri Mar 12 07:39:04 GMT 2010


> I did an experiment that confirmed this. I cut up some  blue, green, 
> yellow, and red lighting gels into squares and mounted them on a 
> transparent sheet...

I don't know if this is a good experiment. Months ago, speaking about the 
best ink for blocking UV for negatives, at the end there was a general 
agreement that the visible color has no correlation with the opacity in the 
UV range. 

Alberto 




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