"Home-made camera. 0.4mm Stenope Hole. FP-100C SILK Film. Exposure time 3 '. 30 "- development 120" Film format: Polaroid film Focal length: 125 mm Shooting format: 8.5x10.8 cm Diaphragm: f225 (hole diameter 0.400 mm) Dimensions: approx. 155x165x125 mm"