This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Fotothek df tg Optik Lochkamera Spiegel Linse. Scan Deutsche Fotothek dftg color MIKCenter Berlin GmbH Seite Figur Nrnberg Strahlengnge in der Camera obscura Papier Kupferstich cm Optik Lochkamera Spiegel Linse ppn Druck Deutsche Fotothek gefrdert von der Deutschen Forschungsgemeinschaft Projekt Technikgeschichte Jh Verwalter