Originally Posted by ic-racer
I felt that way for 30 years. I recently spend almost one year beating my head against the wall, searching for a good multigrade option for my 8x10 Durst that avoided anything under the lens.
Then I tried the under-the-lens filters and I don't know what I was so afraid of. It really works great. In my case, it is the best solution.
(So I can confirm that the posters that write there is no image degradation are not blind )
That is exactly my experience. Logic suggests what markbau suggested, but there is no evidence of any degradation from under-the-lens filters, none.
Ralph W. Lambrecht