Holga 120 GFN Medium Format Film Glass Lens Plastic Camera Flash 6x6 White Film to be used : 120 Format Color or Black/White film Film to be used : ASA 100/ISO 21 or ASA 400/ISO 27 speed Other Specification : 'B' Shutter, Multiple-Exposure Effect Type : 120 type with or without built-in flash Lens : Glass Optical Lens f/8 60mm