The reason for this question arose after getting two bad prints of a negative back from the lab. I will be sending the negative back for a third print and this time, instead of requesting they time to grey card, I am going to call my lights. Essentially, the lab, rather than basing the printing lights off my grey card, has printed out the color in my negative that was created by a tobacco filter I was using. To clear up any misunderstanding, I did not shoot my grey card with the tobacco filter on. Here is my question. When calling my own lights on a print, is there a printer light combination that is equivalent to a tobacco filter but that does not change the brightness of the print? For instance, if the first print's exposure was dead on but they timed out my tobacco filter, is there a known combination of printer light adjustments that I could adjust my first print's lights to without effecting the brightness of the print. Say, -4 in red, +1 in green, and +3 in blue.... or something along those lines.
It's interesting how in modern digital color correcting it is just a matter of clicking a button to apply common filter effects to an image, but, to my understanding, there is no literature available that discusses the relationship between printer lights and lens filters.
Thanks in advance for any advice/discourse.
Casey Tompkins