The Disposable Camera

The Disposable Camera The Disposable Camera Brief This report aims to explain and understand the fundamental workings behind the popular and revolutionary disposable camera. The connection between the Lens and the Film will have most emphasis and explanation where appropriate. This will be achieved by a physical dismantling and any online information available. Introduction Photography is undoubtedly one of the most important inventions in history. It has enabled people to capture and cherish moments in time and preserve them for years to come. During its developing life the disposable camera has become inexpensive to manufacture, and thus cheap to the consumer compared with other more ‘user adjustable opposites. The basic technology, first conceived in 1814, is fairly simple. It requires 3 standard elements; an optical element (the lens), a chemical element (the film) and a mechanical element (the camera body). It is the manufacture and assembly of these parts that create a precise image of what we see before us. The basic overview of the device Disposable cameras are all manufactured in the same manor; not to allow removal and reloading of the film. Instead, these single-use cameras are built around the film, with the main process of rolling it from one side of the camera to the other without a protective casing. When the user is ready to take a picture, they â€Å"point and shoot† at the desired subject and press the shutter release button. This button activates a spring-loaded piece of plastic that flicks open for a pre-defined length of time. The length of time is usually defined by the International Organisation for Standardisation (ISO); this is commonly regarded too as the â€Å"shutter† or â€Å"ISO† speed. The, now open shutter makes an impression on the film. All cameras work with the process of light thus the inside of a disposable camera must be very dark. The light that entered the camera is focused and captured on a portion of the photosensitive film, creating a photo image. This printed film is then advanced into the container on the right to stop any more light from continuing to expose the film. As this happens a new section of the film is moved into position. Once the film has been exposed, the physical camera body is no longer needed. To get the photos of the film it needs to be taken to a professional developer; here, the film is removed and developed (usually in a professional darkroom or in a commercial photo developing machine). The developed photos are then collected by the photographer while the casing is discarded or recycled. The FujiFilm 35mm Disposable Camera Under exposed photos have always been a criticism of disposable cameras, where not enough light is gathered through the pre-defined shutter mechanism. To combat this, the FujiFilm 35mm has a built in flash. To activate the flash, a little flap on the front of the camera has to be pulled up, See Fig.01. This flap connects a metal strip inside the camera to the circuit board causing a charge to flow. This moves electrical energy from the pre-installed battery to the transistor ready for the shutter release to be activated. As the user presses the shutter release button, the charged transistor releases its energy to the flash causing light. However, this only happens if the red LED is lit on the top of the camera (indicating the flash is fully charged and ready to use). The flash is usually in sync with the shutter to â€Å"Freeze† the image. The process in which the chemical film is pulled the correct distance for use with a new image is controlled by a series of gears on the top right of the camera. As the user turns the top right gear, the white gear (Fig.06) is pulled by the holes in the film; this pulls another gear until it reaches a â€Å"stop† position. This is how the camera knows when a new section of film is ready for exposure, also releasing the shutter button for the user to take another photo. Simply, the film that the light image is produced upon is useless on its own. It is actually the chemicals that are on the film that react to the input light to cause the end photo result. The chemicals on the film are Silver Halide salts which are bonded by gelatine. The variable crystal size determines the sensitivity, contrast and resolution on the film. The shutter mechanism is possibly one of the most important processes the camera must undertake through the capture process. Within the FujiFilm 35mm is relies highly on the springs to operate the removal of the shutter from the lens. As the user presses the shutter the white arm is released pushing a flap connected to the shutter. This pushes the shutter away from the lens, while the spring relocates it into the correct position. See Fig.07. At the same time the two circuit strips are connected, Fig.08. The Lens The optical element is an essential part to any camera as it angles the light entering the device into a standard that the camera can read. At its simplest, a lens is just a curved piece of glass or plastic, which can slow down and angle the light to redirect it into a â€Å"real image† what is in front of the lens. This make/model of camera incorporates a fixed lens; this basically means that the lens is not customisable by the user. In terms of taking a photo; an object cannot be focused upon if its too close to the camera. The process of taking a picture can be explained very easily. As light travels into a denser medium, at an angle, it changes speed; as glass and plastic are denser materials than air, the light slows down as it enters the camera. Due to the light hitting the medium at an angle, some of the light will slow down before the rest, causing a resultant change in angle. This is commonly referred to as â€Å"Refraction†. Put simply, imagine you are swimming through water; eventually you reach a patch of oil at an angle. The side of your body that hits the oil first will slow down while the opposite side will keep the same potential energy and momentum as before, thus causing a change in direction. In a standard converging or â€Å"Convex† lens, the glass curves out (away from the camera body). This makes the light bend towards the centre of the lens on entry. Effectively, this reverses the image horizontally. (Fig.09) A standard disposable camera gives a minimum distance from the â€Å"real image†. This is its focal range. Anything below the given distance will be processed blurry as the lens cannot refract the light enough to focus on the film. The amount the light is angled on entry is proportional to the structure and curvature of the attached lens. (Fig.10). Standard compact disposable cameras have an aperture (size of the shutter hole) in the range of f/11 to allow the image to be in focus from 4 feet to infinity. The standard lens used in cameras today is most commonly manufactured from a single moulded plastic sheet and mechanically pressed into the camera. Camera Recycling With the government clamping down on waste due to over consumption and the lack of re-using acceptable products, many companies now recycle disposable cameras. There are two options currently available; the first is to re-load the film and replace the original battery to brand new ones. The second is to send of the plastic parts, which are all fully recyclable, off to be remade into something else. Conclusions The disposable camera has become cheap, user friendly, inexpensive to manufacture and a brilliant way to capture images in time. Through many years of development, they have become smaller and more manageable becoming the device we all could not live without today. Although, by making it increasingly smaller and compact, its now fairly complex and contains a large number of parts, increasing the overall sale price. As a result, manufacture and assembly of the components would be very time consuming. The time has come for a completely robotic production and possibly a compact disposable camera that has the ability to place your SD card into and remove once the camera has been used. Bibliography 1. Overview of how the camera works http://electronics.howstuffworks.com/camera.htm 2. Camera electronics http://www.howstuffworks.com/framed.htm?parent=camera-flash.htmurl=http://www.exo.net/~pauld/activities/camera_electronics.html 3. History of the Camera http://en.wikipedia.org/wiki/History_of_the_camera 4. What is photographic film? http://en.wikipedia.org/wiki/Photographic_film 5. Manufacture of a disposable camera http://www.ehow.com/how-does_4925657_how-disposable-camera-manufactured.html

Cultural Context: Alcohol Essay -- Drinking Teenagers Papers

Cultural Context: Alcohol Alcohol has always been a controversial topic in the United States for social, political, and religious reasons. The negative effects of drinking came to the foreground of American concern during the early twentieth century. This was a time of great prosperity followed by the Great Depression. Both of these eras led Americans to turn to or against liquor as the cause or demise of their success. Prohibition marked a change in the American way of life and is best documented by F. Scott Fitzgerald and Ernest Hemingway in their contemporary works. Both of these authors grappled with alcohol use and abuse within their own lives and writing. On 12:01 a.m. on July 16, 1920 the 18th Amendment went into effect, marking the beginning of a thirteen-year period of national Prohibition in the United States. The movement had existed for decades, but it was not until President Wilson and his southern Democrats came to Washington did it get national momentum, (Parrish, 96). Those who were in favor of Prohibition were collectively known as â€Å"the drys.† The group was generally composed of members of two sub-groups: the Women’s Christian Temperance Union (WCTU) and the Anti-Saloon League. The Anti-Saloon League considered themselves â€Å"an army of the Lord to wipe out the curse of drink,† (Sann, 26). A large majority of the prohibitionists were church-going, Protestant women from small-towns. The divide in opinion between the cities and the rural and suburban areas was so great that the passage of the 18th Amendment was considered a major cultural victory over large cities (Parrish, 97). The call for temperance was supported by progressive reformers who viewed the â€Å"Devil’s Brew† as the primary source ... ...Company, 1992. p. 95-113 This was the most useful source in understanding the social context of Prohibition, its enforcement, and failure. Sann, Paul. The Lawless Decade. New York : Crown Publishers, Inc, 1957. p. 21-24. 115-120 This book provided background information on the 1920s, the Jazz Age, and the role alcohol played during these time periods as well as the American response to Prohibition. www.digitalhistory.uh.edu/database/article_display.cfm?HHID=441 This article was extremely helpful in understanding the circumstances during Prohibition and how exactly citizens managed to undermine the law. www.drugtext.org/library/articles/craig103.htm This article emphasized and provided a glimpse into the lawlessness of Prohibition and the operation of speakeasies. www.pbs.org/wnet/newyork/laic/episode5/topic1/e5_t1_s2-rr.html Cultural Context: Alcohol Essay -- Drinking Teenagers Papers Cultural Context: Alcohol Alcohol has always been a controversial topic in the United States for social, political, and religious reasons. The negative effects of drinking came to the foreground of American concern during the early twentieth century. This was a time of great prosperity followed by the Great Depression. Both of these eras led Americans to turn to or against liquor as the cause or demise of their success. Prohibition marked a change in the American way of life and is best documented by F. Scott Fitzgerald and Ernest Hemingway in their contemporary works. Both of these authors grappled with alcohol use and abuse within their own lives and writing. On 12:01 a.m. on July 16, 1920 the 18th Amendment went into effect, marking the beginning of a thirteen-year period of national Prohibition in the United States. The movement had existed for decades, but it was not until President Wilson and his southern Democrats came to Washington did it get national momentum, (Parrish, 96). Those who were in favor of Prohibition were collectively known as â€Å"the drys.† The group was generally composed of members of two sub-groups: the Women’s Christian Temperance Union (WCTU) and the Anti-Saloon League. The Anti-Saloon League considered themselves â€Å"an army of the Lord to wipe out the curse of drink,† (Sann, 26). A large majority of the prohibitionists were church-going, Protestant women from small-towns. The divide in opinion between the cities and the rural and suburban areas was so great that the passage of the 18th Amendment was considered a major cultural victory over large cities (Parrish, 97). The call for temperance was supported by progressive reformers who viewed the â€Å"Devil’s Brew† as the primary source ... ...Company, 1992. p. 95-113 This was the most useful source in understanding the social context of Prohibition, its enforcement, and failure. Sann, Paul. The Lawless Decade. New York : Crown Publishers, Inc, 1957. p. 21-24. 115-120 This book provided background information on the 1920s, the Jazz Age, and the role alcohol played during these time periods as well as the American response to Prohibition. www.digitalhistory.uh.edu/database/article_display.cfm?HHID=441 This article was extremely helpful in understanding the circumstances during Prohibition and how exactly citizens managed to undermine the law. www.drugtext.org/library/articles/craig103.htm This article emphasized and provided a glimpse into the lawlessness of Prohibition and the operation of speakeasies. www.pbs.org/wnet/newyork/laic/episode5/topic1/e5_t1_s2-rr.html

temptopia Theme of Utopianism in The Tempest Essay -- The Tempest Essa

Theme of Utopianism in The Tempest      Ã‚   One traditional theme of The Tempest is Utopianism. Whether it be of physical significance, as Walter Cohen suggests in his essay "Shakespeare and Calderon in an Age of Transition," or of literary significance, as Judith Boss suggests in her essay "The Golden Age, Cockaigne, and Utopia in the The Faerie Queene and The Tempest," it is an important piece of literature in contribution to Utopianism. Judith Boss does an excellent job in breaking down Utopianism within The Tempest into three different categories, the Golden Age, Cockaigne, and Utopia. All three are implemented, or can be derived from The Tempest. In Walter Cohen’s essay, he suggests that Shakespeare wrote The Tempest by no coincidence near the end of his career and life because it was an argument, or representation, of what England’s foreign policy was. It also predetermined in a way where England was headed politically. Judith Boss does an exceptional critique of The Tempest in identifying Utopianism. She presents three classic forms of Utopianism and illustrates how they are represented in the play. Gonzalo’s speech can be seen as a representation of Montaign’s essay "Of the Caniballes." Gonzalo’s human nature and person can be viewed as a "normal man" in Cockaigne theory. And, Prospero’s actions and status on the island can be considered as a sort of political, philosophical Utopia. The Golden Age The whole idea of a Golden Age being possible is something that traces back in literary history through many plays, essays and other treatises carrying this theme. It became rather accelerated by the Renaissance writers who chose to implement it into their writings. The possibility of a Golden Age is taken with th... ...for this. She has been raised on the somewhat "utopian" island most of her conscious life. Even though I think that Shakespeare was trying to disprove a Utopia he leaves Miranda to represents man’s last hope and possibility for a utopia. Works Cited and Consulted Boss, Judith E. "The Golden Age, Cockaigne, and Utopia in The Faerie Queene and The Temepest." Georgia Review 26 (1972) 145-55. Cohen, Walter. "Shakespeare and Calderon in an Age of Transition." Genre 15 (1983), 123-37. Hill, Christopher. The World Turned Upside Down: Radical Ideas During the English Revolution. London: Temple Smith, 1972. Maus, Katherine Eisaman. "Arcadia Lost: Politics and Revision in the Restoration Tempest." Renaissance Drama 13 (1982): 189-209. Wolf, A. A History of Science, Technology and Philosophy in the 16th and 17th Centuries. Vol. 2. New York: Harper, 1959.

War Promotes Nation Building :: Papers

War Promotes Nation Building War can promote nation building in various aspects. Politically, war can modernize the political system of a country; economically, war can encourage a huge number of industrial developments of a country; morally, war can destroy the evil ideas of the world. For the propose of this assignment, the following definition of nation building is provided: Nation building is the development or modernization of a country in political, economical, and/or social aspect(s). First of all, war can modernize the political system of a country. When a country was defeated in a territory, the regime would be replaced by another regime with a different form of government, and a different kind of political system. For instance, after the World War II (WW II), the Germany had turned from a dictatorship to a democracy. Japan had also become a democracy, while the mainland China became a communist. On the other hand, attack by foreigners can promote nationalism. Taking the period of the French Revolution as an example, while Napoleon built up a large army in Europe and conquered other countries, the Europeans was then turned to nationalism. The Europeans began to strengthen their countries, both in political and economical structure. These encouraged growth in their countries. China is another example, during the WWII, when China conquered by foreigners, the Chinese came together and fought against the invaders. Since then, the Chinese had built up a more powerful and modernized country. Since conflicts between nations make native to build up, modernize and improve their nations, including the political system. As a result, war promotes nation building. Economically, war can encourage the economic development of a nation. It is because war requires a huge number of government expenses for the army. For example, the wages for soldiers, the expenses for modernize the equipment and strengthen the army. These force the monarch or government of the nation to increase the income of the government first.

Microsofts .Net architecture :: essays research papers

BY NOW YOU'VE read and heard plenty about .NET, Microsoft's new enterprise application strategy. A nuts-and-bolts rundown of .NET's features may leave you asking, "Does this have anything to do with me?" If you run Windows on desktops, .NET's impact will be minimal, and if you operate Windows servers, .NET could require making a few changes. But if you specify, design, develop, or implement enterprise software or Web applications, keep in mind that .NET drastically changes Windows' profile. You can't use the old rules to determine Windows' suitability for an enterprise task. The assumptions, design models, and development techniques that have worked since Windows NT 3.51 will soon be obsolete. In contrast to the poorly defined Windows DNA (Distributed interNet Architecture), .NET is a tangible and easily defined software product. It is an application framework, meaning that it provides applications with the system and network services they require. The .NET services range from displaying graphical user interfaces to communicating with other servers and applications in the enterprise. It replaces Windows COM (Component Object Model) with a much simpler object model that is implemented consistently across programming languages. This makes sharing data among applications, even via the Internet, easy and transparent. .NET also substantially improves application scalability and reliability, with portability being a stated but not yet realized objective. These are clear benefits demonstrated by the pre-beta edition of .NET. We've been testing the .NET pre-beta (now downloadable from msdn.microsoft.com/net) for several weeks. Attendees of Microsoft's Professional Developers Conference (PDC) 2000 in Orlando,Fla., ourselves among them, received a stack of CDs with the .NET preview, plus a good deal of software not yet released. The combination of the .NET components adds up to a strikingly complete picture of what .NET will be on its release. With an uncharacteristically stable and feature-rich pre-beta, relationships already in place with third-party tools suppliers, and even books on .NET topics, Microsoft could drive .NET to market with head-spinning speed. But until Microsoft publishes its schedule for .NET's release, it's best to plan for a debut that's months rather than years awayWe've been testing the .NET pre-beta (now downloadable from msdn.microsoft.com/net) for several weeks. Attendees of Microsoft's Professional Developers Conference (PDC) 2000 in Orlando,Fla., ourselves among them, received a stack of CDs with the .

Justice System in a Tale of Two Cities Essay

It is no secret that, in a Tale of Two Cities, Dickens constantly critiques the English society. In chapters two and three he focuses on critiquing the justice system. By using various language strategies including juxtaposition, and the lack of quotation marks, Dickens comments on the ridiculousness of the court. Dickens’s use of juxtaposition is evident when he describes Charles Darnay as â€Å"a false traitor to our serene, illustrious, excellent, and so forth† (Dickens 65). He uses many formal and descriptive adjectives followed by â€Å"and so forth†, which is informal and vague. The informality of these words reflects the barbarous actions of the crowd. The crowd craves entertainment and information so much that, â€Å"people paid the see the play at the Old Bailey, just as they paid to see the play in Bedlam† (Dickens 63). Dickens demonstrates his animosity for the English judicial system by showing the reader the cruelty of the people. In chapter three there is a noticeable lack of quotation marks even when the characters are speaking. â€Å"Had he ever been a spy himself? No, he scored the base insinuation. What did he live upon? His property† (Dickens 69) is just one example. This absence reflects how in the English court people aren’t really heard. The â€Å"prisoner† has almost no opportunity to defend himself and is always guilty until proven innocent. The people are so positive that the prisoner will be convicted that they will even venture to say â€Å"‘Oh! they’ll find him guilty. Don’t you be afraid of that’† (Dickens 63). It is evident through his writing that Dickens believes that this is not the way to run things. He believes that people should be judged fairly. In using these language devices, Dickens conveys his opinion about the judicial system in England. He assesses the situation and works to convince the reader that the traditions need to be trained.

Structural Rationalism

In the advent of industrialization which is marked by the affordability and mass production of construction of materials like iron steel and glass, an architectural school of thought emerged known as structural rationalism which emphasized the important and distinctive role of structural efficiency in the form of buildings including space requirements and architectural design.This philosophy was promoted by French architect Eugà ¨ne Viollet-le-Duc whose theories were specifically written in his book, Discourses on Architecture (Frampton).     Viollet-le-Duc adhered to the restoration to the localized style of building vis a vis the ‘abstract’ international style conspicuous during his time.Belgian architect Victor Horta is one of the pioneering advocates of this architectural philosophy which he exemplified in the design of the Tassel Hotel in Brussels in 1892.The design featured exposed decorative iron balustrades shaped as a plant filament combined with local axia l plans that resulted to a simple yet striking decorative work of art. Interior architecture involved rooms with irregular shapes blended with decorative painting and furniture.The masterpiece of Horta marked the commencement of the Art Nouveau movement which was perpetuated and advanced by Hector Guimard, a French architect and furniture designer.   (Pile) While maintaining highly decorative curved line that usually follows a floral pattern, Guimard highlighted indigenousness of design that conformed to function and climate and even patriotism.Guimard’s most famous designs are the entrances of the metro subway stations in Paris that featured metal cast in curvilinear flowerlike lines meticulously designed in detail.By the early 20th century, Dutch architect Hendrik Petrus Berlage adhered to a return to the conservative objectives of true constructive rationalism that stressed simplicity of form and clarity of structure.He underscored the notion that the structure itself fu nctions in the creation of space which reduce the need for decorative structures.   This idea was embodied in the design of the Amsterdam Stock Exchange of 1903 and initiated the emergence for modernism.BIBLIOGRAPHYFrampton, Kenneth. Modern Architecture: A Critical History. Oxford University Press, 1980Pile, John F. A history of interior design. Laurence King Publishing, 2005