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Lars Lydersen testing QPN 5505 quantum cryptography system for detector controllability

This picture from Cracking commercial quantum cryptography gallery and Quantum hacking lab gallery is included in Picture Collection (ref. nr. a300-28) on Photo Pages.

Taken on February 20, 2010.
Fujichrome Sensia 100 film, Canon EOS-3, EF 24mm 1:2.8 lens, Hoya FL-DAY filter, f/3.2 1/8, 550EX flash –1¹/₃, tripod, camera set up high under the room ceiling. Scanned on Nikon LS-2000 scanner.

How you can use this image. ©2010 Vadim Makarov