Wratten 90 filter. Shel Belinkoff "People that hate cats will come back as mice in their next life."
> [Original Message] > From: Karen Clanin <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Date: 9/22/2004 11:58:23 AM > Subject: a question re: b & w...... > > can anyone tell me what those little round pieces of thick blue acrylic are > called? you look through them to make everything look like a monochrome to > see values etc which are not as obvious when you look at things in color > and take it in b & w. > > i have my husbands but want to get one for a friend and don't even know > what to search for. > > karen
