I currently have have a mix of different b+w and heliopan filters of various sorts and looking to have a proper filter setup for my RM3di/IQ setup.
Main filter needs are ND and C.Polarizer, total would be 5 filters. Main lenses are 23/32/90HR, 60XL, 120N.
I thought the Lee setup was great and well proven, but life is never simple in tech cam world....Lee does not make any 86mm WA adapters for their holder, thy stop at 82mm. From various posts I have read here, the 86mm normal adapter vignettes on shifts. Both the 32HR and the 23HR (with CF) use 86mm filters.
I then figured a screw-in setup would likely be simpler for me anyway. I would give us the possibility of using GND's but this is not really my thing anyway.
So a few questions regarding screw in filters (all would be multi-coated slim filters):
1. Am I better off getting a larger filter, say105mm and using a step-up ring? Would this reduce chances of vignetting, particularly with shifts. I am thinking this way given that even the CF for the 32HR is a 105mm outside thread. The alternative would be get the actual filter size, 86mm in this case.
2. The longer lenses all have smaller filter sizes, so step up rings should not be an issue, and vignetting is less of a concern. However, for lenses like the 120N with the 46mm thread, there is no step up ring from 46mm to 105mm. Would there be an issue using two rings (46->72->105)? Again trying t keep things simple, alternative would be another set of filters.
3. I also looked at the 4x4/6 solutions that fit into the tech cam hoods. Problem with these is that there is light leakage, and with lenses like the 32HR, the lens protrudes beyond the filter slot.
Appreciate any and all help as always.