Alan, Yes to the 2+ grade filter and FASTER than non filter. The exact grade would depend on many variables of your enlarger. I use a 2X for general rule of thumb. These are the types of problem sets I don't see a need to work too hard on. With the highs and lows moving in the gray landscape, one still needs to make adjustments on a more intuitive basis later so I don't see the need for precision there. Eric Neilsen Photography 4101 Commerce Street Suite 9 Dallas, TX 75226 http://e.neilsen.home.att.net http://ericneilsenphotography.com Skype ejprinter _____ From: pure-silver-bounce@xxxxxxxxxxxxx [mailto:pure-silver-bounce@xxxxxxxxxxxxx] On Behalf Of ATIPPETT@xxxxxxx Sent: Wednesday, October 31, 2007 5:49 PM To: pure-silver@xxxxxxxxxxxxx Subject: [pure-silver] Multigrade without filter? I though that I had read using no filters with Ilford Multigrade IV papers was equivalent to using the #3 filter. Should this be the case what would be the difference in the f stop? Should this not be the case what would the resulting print compare to 2-4? Alan Tippett _____ See what's new at AOL.com <http://www.aol.com?NCID=AOLCMP00300000001170> and Make AOL Your <http://www.aol.com/mksplash.adp?NCID=AOLCMP00300000001169> Homepage.