The Contax Film Back Holder Mfb-1 is specifically designed for use with the Contax 645 medium format film camera back only. This durable and reliable film back holder allows users to seamlessly switch between different rolls of film while shooting, making it an essential accessory for professional photographers. Manufactured by the esteemed Contax brand, known for its high-quality camera equipment, this film back holder ensures precision and accuracy in capturing stunning medium format images. Upgrade your Contax 645 camera with the Contax Film Back Holder Mfb-1 for enhanced convenience and efficiency in your photography workflow.