Paris, the Institut du Monde Arabe: closeup of the iris diaphragms that make up each window

Camera model		Canon EOS DIGITAL REBEL
Shutter speed		1/400
Aperture		f/16.0
Maximum aperture		f/4.0
Exposure bias		0.00
Exposure		Normal program
Focal length		36mm
Flash		Off
Metering		Pattern
ISO sensitivity		800