Quote Originally Posted by Nicholas Lindan View Post
I take it you are talking about contrast filters for B&W printing.

Any old set will vary the contrast but the steps won't be even unless the filters match the paper. Ilford sets go with Ilford paper and Varycon sets go with Efke paper (and probably the other East European papers).
Yes, B&W.

So, Ilford filter go with Ilford paper. What goes with Adox and Arista?