Blog — History
World Photo Day: How The Daguerreotype Changed The World
Timothy Griggs Education History Photography
Today in 1839 Louis-Jaques-Mandé Daguerre, a French artist and photographer, introduced the Daguerreotype, the first practicable method of obtaining permanent images with a camera. The Daguerreotype photographic process starts with a sheet of silver-plated copper polished to a mirror finish, treated with fumes of iodine and bromine to make its surface light sensitive. exposed in a camera (for as long as fifteen minutes) and then developed over hot mercury, fixed by immersion in a solution of sodium thiosulfate and washed with distilled water. The George Eastman Museum explores the history and development of the Daguerreotype in the video below.
The History of Lenses: How Glass Shapes Our World
Timothy Griggs Education History Lenses Photography
From eyeglasses and telescopes to cameras and microscopes, the lens has shaped the way we see the world in every aspect of our life.
Our friends over at Filmmaker IQ take an in-depth look at the history of optics and how we went from the ancient Nimrud lens to the multi element coated lenses we use today.