>Clive, > Thanks for letting me know. I have an APO-Ronar that is a f:9 process >lens that I took off a camera at work. I have a G-Claron for my 305mm lens. >What is the interest and what is the value of said lens? > >lee Lee, That sounds interesting, particularly if it's in a shutter. The Claron has more coverage but tends to be more expensive. Let's have a chat off the list. Cheers, Clive