Photography Camera (room) Obscura (dark)
First Photograph: 1827 Niepce
Daguerreotype (1839) Daguerre Positive images Copper plate coated w/ silver Each one was original Calotype (1839) Talbot Negative images Paper treated with silver nitrate and KI Many prints could be made from original
Wet Collodion Process 1851 Dissolved ether, gun cotton and KI was applied to a plate w/silver nitrate Messy Short exposure time Dry Collodion Process 1871 Used plates coated with gelatin Neat Long exposure time Made photography widely available mages/Rifle223.jpeg uncategorized/jello.jpgtonova.typepad.com/photos/ uncategorized/jello.jpg
Photographic Prints 1.Salted paper photography/processframe.php?processid =pr Albumen : salted egg whites and silver nitrate. 3. Gelatin silver prints: more silver microsites/photography/proces s.php?processid=pr011&row=2
Europeans were initially hostile towards photography! Americans welcomed photography! 0Flag.jpg
Eventually, photography caused painting to become generally less realistic and more expressive.