Links to interesting reads...

This Lego brick must be one of the world's tiniest pinhole cameras, producing images just the right size for little Lego photographers.

"The world's largest pinhole camera" is an abandoned aircraft hangar. Barrel after barrel of liquid emulsion was emptied to create the very large light-sensitive surface that was needed to capture the view outside the hangar.

Prisoners gain new focus through pinhole photography, about female prisoners in Buenos Aires who use pinhole cameras to depict life in prison.

Lord Rayleigh: On Pin-hole Photography. Lord Rayleigh is the man responsible for the constant figure 1.9 in the formula for calculating the optimum pinhole size for a camera. This 1891 article abounds with equations and is a compulsory read for anyone interested in the mathematics behind pinhole photography.