Product picture - Omega LPL 39mm Threaded Lensboard for LPL Saunders 4550XLG, 4500-II & 670 Series Enlargers Omega, LPL, 39mm, Threaded, Lensboard, LPL, Saunders, 4550XLG, 4500-II, &, 670, Series, Enlargers Click the image to close this page