Schneider ships a translucent sheet of rubber-ish material with their Center Filters. That’s what you need. It works wonders. You simply set the adapter flat on it and twist the filter. There is enough friction at the rubber / metal interface they separate no problem.
See if you can find a sheet of soft rubber somewhere. Set it on there and twist.
HEADS UP!!!!
***GEAR TIP OF THE DAY ALERT!!!***
Dave Chew suggested using a sheet of rubber. Schneider ingeniously provides a sheet or something similar... hmmm.
The Nisi filters and holder are first class, but no tips or rubber sheets are included. So, I experimented:
ACTION RESULT
Freezing.....None
Heating......None
Pressure.... None
Leather.......None
Creative
Profanity.....None (Well, I felt a little better..)
Then, I sew Dave Chew's post after a day of failed attempts and I was already tired from the annual firewood chore, I looked around... nope, there is no rubber around here.... except... yeah, I remembered the blue sticky sheets we got from Rehab at Emory. The sheets have a name but I forgot... but they are used on tabletops to keep plates, paper, cups, etc from sliding around when a patient has only one useable hand to use for eating, drinking, crafts, art, etc.
Worth a try...
So I placed the adapter on the blue sticky sheet which had a sticky table placemat underneath it. The flat dining room table was my work bench. I placed my palms and the heel of my hand down on the adapter providing as much even pressure as possible all around, and with little effort, a simple anti-clockwise twist with my palm... I heard a sliding sound immediately and the adapter was FREE!!!!
SUCCESS!!! Unbelievably, it was that simple! It was that easy.. !!!
Thanks to Dave Chew, I can now use the great Nisi system on the 50mm lens.
Wow!!
Thanks, Dave!!!