"Hand made Camera obscura, Photo paper: Ilford photo paper B/W ISRC21M deluxe 12,7x17,8 cm/ 25 glossy Guessed ISO: ASA 10 Format: 12,7 cm x 17,8 cm Pinhole diameter: 0,34 mm Focal length: 98 mm F number: f288 Exposure factor for f22: 171,4 Exposure time for f22: 1,5 sec Exposure time for f288: 257 sec Developer: Efke FR-16 (1+9) Scanner: Epson Perfection 1200 Software: PS3 http://fotozine.org/ilustracije/galerije/5400/Kutija-1.jpg"