Initially quite intriguing/tempting and a bit brain-bending...the idea of pre exposing film to specific spectra - but thinking through this it makes...
Hardware store bubble levels are awful. You don't get something for nothing. Anything consistently decent is going to either come from an industrial...
I do know Polaroids fade with time, but maybe they are a little lasting for what I'm looking for. Great suggestion tho.. Maybe I can get my hands on...