Quote Originally Posted by Ronald Moravec View Post
You you see it all over the darkroom. Think what the insde of your body looks like !

In addition to yuor lungs, it damages your eyes, makes your skin age and wrinke, and raises blood pressure causing heart attacks and stroke. I sure a doctor could name a few more things like emphasema and ling cancer.

But keep it up. modern medicine is wonderful.
Thanks, Ronald, for showing your concerns. I am medicaly trained so I'm aware of the adverse effects of smoking. Being an amateur printer I wasn't yet aware of the risks to my enlarger lenses up till now.....

Jaap Jan