I own two very diferent sized lenses. One is a older Schneider Xenar, and the other is a more modern Rodenstock Geronar. I need to get a filter holder and outfit for them, and would like to get one I could use with both lenses, an d others I might get in the future. The fellow in the camera store suggested ste p-up/down rings, but these seem impractical for such a large diference in sizes. I do only landscape photography, and use only a polarizer and warming filter, b ut use them a good deal, especially the polarizer. On page 28 of STEVE SIMMONS b ook; USING THE VIEW CAMERA there is a picture of what I think I am looking for. It is a wonderful looking item, and I would like to know where in the San Franci sco Bay Area, this item could be found?? Also, can this be used with a polarizing filter? If not, has anyone a suggestion on wh at kind of polarizer might be employed for diferent size lenses.