[Alt-photo] uv content of led lights

Marek Piosik marek.piosik at parsival.pl
Sat Sep 23 19:15:07 UTC 2017

Hi, what color of LED light do you want to use? Because I used remote 
controlled LED bulb set to dimmer red and it probably fogged my carbon 
tissue. So take care and maybe use good old incandescent light...


On 2017-09-23 20:39, Matti Koskinen via Alt-photo-process-list wrote:
> hi,
> Is there any risk of fogging, when using led lights and coating papers for cyanos? Of course not under direct light, but in somewhat shadowy spot.
> tnx
> -m
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