1. Daguerreotype is the first successful commercially photographic process. the surface of daguerreotype is like a mirror, it very fragile and can rubbed with a finger. Depending on the angle of view the color of the surface will reflected into it, the image can change from a positive to a negative. Exposure times when daguerrotypes was first use, it would be 3 to fiftteen minute. Modifitions to sensitization process with the improvement of photographic lenses reduced the exposure time to less than a minutes.It replace camera obscura
2. The piece of paper was usually 1000000000% of cotton and was coated with emulsion of egg white. the paper was then dipped in silver nitrate an water, the dried in UV light. By adding electron during the development/ printing process, and the remaining silver chloride is washed out during the fixing
3. Strerograph is when two stereoscopic image images, design to give a three-dimensional effect when being viewed through a stereoscope or special glasses
4. Each photograph was the size of a visiting card, and they were photograph cards become enormously popular and were traded among friends and visitors
5.Alexander Gardner and Matthew Brady is a famous civil war photographer. They used Carte de vista.
Alexander Gardne
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