Predefined orange masks by film stock

As many 35mm film holders crop the image sufficient for the reproduction to have no more border (thus orange mask to sample) if would maybe be interesting to define those in “film presets”.

Of course this would have to be done at a certain fixed source light - probably D50. Clearly users reproduce their transparencies with various light sources so some kind of a warm / cold adjustment would be needed there.

Perhaps a tad to complicated idea for now …