Photography

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Questions and Answers

Dry plate photography?Can anyone tell me why this type of photography would be good for action shots?

Posted by Verxin
adminDry plate photography was the second step in the evolution of conventional silver-based photography.The first step was wet-plate photography. In wet-plate photography, a plate of glass was sensitized with a silver nitrate compound, exposed to the scene, and processed before it could fully dry. As a result, the process of wet-plate photography was only suitable for subjects that were stationary such that the camera could be set up in advance of sensitizing the plate.The innovation in dry plate photography was that the emulsion was applied to the plate in the factory, and could be exposed at just about any time thereafter. Therefore, it was possible to set up the camera and then wait for the subject to present itself for exposure. Obviously, this was more conducive to situations where the scene was changing (ie, action).Both wet-plate and dry-plate photography involved emulsions applied to sheets of glass. The next step in the process was to apply those emulsions to a flexible substrate. That was the beginning of film.
Photography for beginers?I am thinking of doing photography.can you give me some photography ideas and help..like how to take a good photo and some websites where i can learn?
Thanks.

Posted by Dumidu
adminPhotography is a wonderful hobby that you can enjoy for a lifetime. I do *not* recommend that you try to learn simply by playing with your camera. That is a recipe for frustration and will take a very long time to progress using the try and fail or spray and pray method. Photography is a craft that can be learned by studying the basics and then practicing to apply. Here are a few sites to get you started:Http://digital-photography-school.com/di…Http://photography.nationalgeographic.co…Http://asp.photo.free.fr/Composition/pho…Http://jfletcherphoto.wordpress.com/2009…Http://www.cambridgeincolour.com/tutoria…There is enough information in those links to take you a very long way! In addition, look at good photography in books and magazines and on good websites (Not Instagram, Tumblr, DA, or any site where the content is mostly generated by teen beginners.) Flickr is a good place to display your work. Photo.net is another great site with lots of forums and galleries of mostly good to excellent work.Http://photo.net/Seek and listen to informed opinion and constructive criticism as you go. Joining a local group is a great way to get real and meaningful instruction and feedback. Take a class if possible. Visit the library for a book on basic photography and composition. Study your camera manual to get the best from your gear. Begin learning the basics and continue to practice and have fun.Enjoy the journey and happy shooting!

The year of begining of photography?Photography, all about.

Posted by alan
adminChemical photographyFor centuries images have been projected onto surfaces. The camera obscura and the camera lucida were used by artists to trace scenes as early as the 16th century. These early cameras did not fix an image in time; they only projected what passed through an opening in the wall of a darkened room onto a surface. In effect, the entire room was turned into a large pinhole camera. Indeed, the phrase camera obscura literally means “darkened room,” and it is after these darkened rooms that all modern cameras have been named.The first photograph is considered to be an image produced in 1826 by the French inventor Nicéphore Niépce on a polished pewter plate covered with a petroleum derivative called bitumen of Judea. It was produced with a camera, and required an eight hour exposure in bright sunshine. However this process turned out to be a dead end and Niépce began experimenting with silver compounds based on a Johann Heinrich Schultz discovery in 1724 that a silver and chalk mixture darkens when exposed to light.Niépce, in Chalon-sur-Saône, and the artist Louis Daguerre, in Paris, refined the existing silver process in a partnership. In 1833 Niépce died of a stroke, leaving his notes to Daguerre. While he had no scientific background, Daguerre made two pivotal contributions to the process. He discovered that by exposing the silver first to iodine vapour, before exposure to light, and then to mercury fumes after the photograph was taken, a latent image could be formed and made visible. By then bathing the plate in a salt bath the image could be fixed. In 1839 Daguerre announced that he had invented a process using silver on a copper plate called the Daguerreotype. A similar process is still used today for Polaroids. The French government bought the patent and immediately made it public domain.Across the English Channel, William Fox Talbot had earlier discovered another means to fix a silver process image but had kept it secret. After reading about Daguerre’s invention Talbot refined his process, so that it might be fast enough to take photographs of people as Daguerre had done and by 1840 he had invented the calotype process. He coated paper sheets with silver chloride to create an intermediate negative image. Unlike a daguerreotype a calotype negative could be used to reproduce positive prints, like most chemical films do today. Talbot patented this process which greatly limited its adoption. He spent the rest of his life in lawsuits defending the patent until he gave up on photography altogether. But later this process was refined by George Eastman and is today the basic technology used by chemical film cameras. Hippolyte Bayard also developed a method of photography but delayed announcing it, and so was not recognized as its inventor.
In the darkroom
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In the darkroomIn 1851 Frederick Scott Archer invented the collodion process. It was the process used by Lewis Carroll.Slovene Janez Puhar invented the technical procedure for making photographs on glass in 1841. The invention was recognized on July 17th 1852 in Paris by the Académie Nationale Agricole, Manufacturière et Commerciale.
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