Vintage B.P.M Universal Bellows Unit With 35mm Camera Adapter Mounts By Butterfield Photographic Co. Complete & In The Original Box. This Fantastic vintage Universal Bellows Unit produced by Butterfield Photographic Manufacturing Co, is suitable to be fitted to any 35mm film or digital camera. The bellows unit is in full working mint condition, and includes the lens flanges, slide frame and instructions booklet. Comes in the original box with the original inner packing, which is in fantastic condition with only very minor wear on the edges. All orders received before 4.00pm Monday to Fridays are shipped the same day.