A daguerreotype was an early photographic method created using a

carte de visite.
copper plate covered with silver iodine.
rayogram.
plate of glass.
gelatin silver print.

copper plate covered with silver iodine

Explanation:

The daguerreotype was the first monetarily fruitful photographic procedure (1839-1860) throughout the entire existence of photography. Named after the innovator, Louis Jacques Mandé Daguerre, every daguerreotype is an exceptional picture on a silvered copper plate.

As opposed to photographic paper, a daguerreotype isn't adaptable and is fairly heavy.The daguerreotype is exact, nitty gritty and sharp. It has a mirror-like surface and is extremely delicate. Since the metal plate is incredibly helpless, most daguerreotypes are introduced in an extraordinary lodging. Various sorts of lodgings existed: an open model, a collapsing case, gems…

Various picture studio's opened their entryways from 1840 ahead. Daguerreotypes were extravagant, so just the affluent could stand to have their representation taken. Despite the fact that the picture was the most famous subject, the daguerreotype was utilized to record numerous different pictures, for example, topographic and narrative subjects, ancient pieces, despite everything lives, regular marvels and exceptional occasions.

the longest time is 123 years