Pinhole camera shots are always fascinating. A light-tight sealable can, box or carton in whose lid a hole has been made whose diameter corresponds approximately to the distance between lid and the boxes bottom divided by 500 and on the inside opposite the lid a piece of photo paper glued with double-sided adhesive tape and you can take a photo. The exposure time is from several minutes in the full sun to days indoors. After the development then the amazement that it really works.
Blick vom Balkon, Karlsruhe, Schützenstraße, 13 cm x 18 cm,
Lochkamera aus einer alten Arzneimittelblechdose 
Balkon mit Fahrrad, Karlsruhe, Schützenstraße, 13 cm x 18 cm
Morgen- und Rankestraße, Karlsruhe, 13 cm x 18 cm, etwa 1987
Stall im Hof, Mannheim, 20 cm x 20 cm, etwa 1984, Lochkamera aus einer Waschmittelpapptrommel