1.8 density range is easy but you'll have to expose for very long time because titanium white layer is rather opaque to UV and blue light. But I don't do paper negative nor POP in my routine protocol. Others may have more realistic advice. -- Ryuji Suzuki "Keep a good head and always carry a light camera." ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.