Daguerrotype: - Invented by Louis Jaques Mande Daguerre - The first public photographic process - Used as the most common type of photography for almost twenty years - Commercially used from 1839-1860 How to make Daguerreotype: 1) A copper plate with a silvered face is used 2) The plate is polished 3) The polished and silvered copper plate is then sensitized by exposing it to iodine and bromine fumes 4) The plate is now light sensitive and placed in its holder 5) The camera is placed on its tripod 6) The image of the subject is focused in the camera 7) The holder with the sensitized plate is inserted into the camera 8) the lens cap is removed from the camera and the plate is exposed to light 9) A mercury bath is used to develop the image on the plate Cyanotype
- Invented by John Herschel - Made in 1792-1871 - John H. was an astronomer who wanted to find a way to copy his notes One of the first to use this method was Anna Atkins and shortly after she published the first book with cyanotype photographs How to make cyanotype: 1) Coat paper in potassiumferricyanide and Perricammonium salts 2) The paper is then used for printing or writing 3) The piece is then exposed to the sun to start a chemical reaction 4) the piece is then bathed in water and the result is a white image on a deep blue background
0 Comments
Leave a Reply. |
Archives
June 2017
Categories |