Optics and Cameras

Camera Focus Camera focus chart, turn lens CCW to blur whole image, then CW to blur in the other direction and split the difference for optimal focus at given distance.
Camera Color Color bars of various types
CCD vs CMOS Comparison between two camera families
Light Spectrum Wavelength vs Color from Infrared to Ultraviolet
X-Rays 100 years of X-Rays (F. Jensen)

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 This page last updated on September 01, 2009