"Czech Republic, Ostrava, GPS: 49°50'31.528"N, 18°18'28.517"E, sunny, temperature 21 degrees Celsius. Double rig mine Theresa in 1842, built over 1,089 meters deep pit. Aperture 273 , Shutter Speed 15 seconds, material Fomabrom C111 hard, ISO 120. Scanned and edited on a computer."
"Camera "Trash Can 273" hand-made from trash. Hole 0.55 mm, aperture 273. Picture taken by Canon 600D with a hole 0.29 mm, aperture 148."