Last week I decide to try some VC Paper, you should consider me as a Graded paper fanatic. But I hear of the split grade printing method and I want to give it a try.
I have an old Durst 1000 with condenser light and Durst cold light head which I almost use. With my graded paper I get 10-20 seconds exposure for most of my work and I fine control the contrast with pre exposure, and developper.
But My problem with VC paper (I try Bergger which need long exposure time) is that for grade 2.5 to 5 I need about the same printing time but for grade 2 and under my printing time are far longer and worse than all exposure is different at each change of filter. for example for grade 1 I need to expose 40 second and then for 00 60 seconds.
I already use filter with cold ligth ( about ten years ago) but I never got such problem.