Latvian-based inventor Walter Zapp designed the Minox subminiature camera in Riga, which became famous as the world's smallest and most iconic "spy camera" of the 20th century.
Record no. MRB-2026-006438
World's Smallest Spy Camera (Minox)
Reference Record – Not Certified
This record is compiled from publicly available sources for reference. It has not been examined or certified by The Book of World Records.