Perhaps I'm dense. I'm just learning contact printing, by trial and error (mostly error). The paper I am using is Ilford MGIV and (as I recall), it says something like "use amber or brown safelight". I need a safelight, and the guy that sold me the paper said I could just use a small red bulb.
I get that the amber is preferable, but do I need it? Is it merely that you are safer longer with amber than red, or will red rapidly fog the film?
Thanks for the help. Tim
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