23/05/2026
The "third camera" in history generally refers to the transition of photography from unique metal plates to the paper-based Calotype.Here are the details of the third major camera development in the world:The Third Camera Era: The Calotype (1840)Inventor: William Henry Fox Talbot, an English scientist.The Breakthrough: While early cameras (like Niépce’s heliograph and the Giroux Daguerreotype) captured unique, direct-positive images on silver-coated copper plates, Talbot developed a process to create a negative image on paper.The Process: By using silver chloride-treated paper, he could make a negative. From that negative, he could contact-print an infinite number of positive copies. This breakthrough laid the foundation for modern film photography.
