Daguerre is most known for his invention for the daguerreotype process. His first photo, which led to his Daguerreotype process was created by exposing silver, coated copper places to iodine. He followed this by exposing them to light and coating the plate with mercury vapor, finally fixing the image in salt water. This resulted in an exact reproduction of the scene in reverse. The image could only be seen from an angle and was highly delicate so it was placed in a glass box. Daguerreotypes were usually portraits, which took several minutes, and for the subjects to stay completely still. Sergei Lvovich Levitsky made daguerreotypes famous in 1849. He reduced the time needed to capture an image for portraiture and landscape. Daguerrotypes were the Polaroid of their day because it produced an image in which was not reproducible. Once the fox Talbot negative process was refined, limitless numbers of sharps prints were able to be made and replaced the daguerreotype process.
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