Mamiya RB/RZ 3" Gel Filter Holder

Slip-on molded holder for 3 inch gelatin and polyester filters, attaches to 50, 65, 75, 90, 110, 127, 140, 150, 180, 250, 350, and 360mm lenses. Indispensable for accurate color correction. Allows insertion of multiple gelatine or polyester filters. Also accepts 3" plastic filters. Especially useful with 50 and 65mm lenses where threaded filters may cause vignetting.