The Zenza Bronica 135N SQ Film Back 24x36mm is a rare and sought-after accessory for medium format cameras in the Zenza Bronica SQ series. Made by the renowned brand Bronica in Japan, this roll film back is compatible with various models including SQ-Ai, SQ, SQ-A, SQ-Am, and SQ-B. Perfect for photographers looking to capture images on 35mm film, this product is a valuable addition to any film photography enthusiast's collection.