exposure and units of light
i'm using a new exposure unit.
i was wondering if anyone knows the correct amount of lumens/units of light that is needed for speedball emulsion
i'm not looking for time. more interested in lumens or units. because the unit that i am using is timed by the ammount of outputted units of light.
and if films have anything to do with it for the most part i am using kodak graphics film.
will be dependent on light and emulsion. your emulsion should come with a little chart that says times per lumen, etc.
but lumens alone dont mean shit as its the spectrum of light that is equally important. without the right spectrum all the lumens in the world won't help you.
Are exposing a screen or are you shooting graphic arts film?