Salt prints and cyanotypes: a short history of printing processes
Brian Young tells the fascinating story of salt prints and cyanotypes – photographic printing processes from the 19th Century.
Brian Young
Determining exposures for the pinhole camera
Brian Young shows us how to measure our exposure times for our pinhole cameras a little more precisely than “bright sun” or “hazy sun”.
Pinhole Design – what Lord Rayleigh really said
Thoughts from two men on pinhole design. Brian Young investigates the relationship between focal length and the diameter of the pinhole and what Lord Rayleigh thought of this.