I'd be curious whether you'd be able to reduce the noise (not the same as lensing, obviously) if you used tape like this: https://www.youtube.com/watch?v=nRoL2q

I'd be curious whether you'd be able to reduce the noise (not the same as lensing, obviously) if you used tape like this: https://www.youtube.com/watch?v=nRoL2q-tU-Q https://www.youtube.com/watch?v=nRoL2q-tU-Q I've never had to scan things like your process so I have no clue; just a thought.