Re: Yellow tents and UV (was: outdoor gum demo)

[Katharine Thayer <kthayer@pacifier.com>]

On Apr 22, 2009, at 11:29 AM, Paul Viapiano wrote:

> Now, of course, if there is cloud cover then all bets are off...
>
> I say this partly in jest because in my Darkroom 1 book (Lustrum  
> Press), Linda Connor (whose exhibit I've just seen at the CCP in  
> Tucson) said that sometimes she'd leave a POP print out on her back  
> porch for 3 or 4 days!
But that's a gelatin-silver chloride process exposed with visible  
light, no?  Apples and oranges, sorry.   Of course if there's not  
much visible light, it's going to take some time to make a print that  
depends on visible light.  But the amount of visible light isn't a  
measure of UVA. I've exposed gum prints in the shade in 3 minutes,  
and no, they weren't underexposed.

kt