Cameras And Photography Essay
Then, in 1822, A frenchman, Joseph Nicephore Niepce invented a process, which is known as Heliography. Heliography is fixing an image on a glass or metal using bitumen, which is an asphalt like substance. The photos were in black and white, incredibly blurry, and called a heliograph, or a sun print. Another Frenchman, Louis Daguerre teamed up with Niepce and created the process of fixing images on a metal sheet. The metal sheet was very hefty and expensive though. After Niepce passed, the Daguerreotype is invented. Niepce had come close to finding the Daguerreotype, but lost his perseverance and persistence before passing from a stroke.
After checking that the camera is in focus, the plate is inserted and left for some time. It could be minutes, or seconds, depending on the light strength, and other factors. When the image is imprinted on the plate, it is removed, and then exposed to mercury fumes heated to 167 degrees Fahrenheit. The plate then goes into a bath of hyposulphite of soda, which is a chemical concoction of sodium, sulfur, and oxygen. Finally the plate gets washed in distilled water, and the image on the plate will not disappear or fade, even in the sunlight. Even though the image is on the plate, it is delicate, so it must be protected by glass.
The Polaroid was invented by Edwin Herbert Land in 1948, and later, in 1984, the first digital Canon camera was made. Finally, in 1986 Fuji made Fujifilm, the first disposable camera. Times have definitely changes, now we have fancy DSLRs, with new controls, and fancy features. We have color pictures, and settings galore. I believe we should remember the fascinating history of photography. The photography world would not be the same if not for all the people that contributed to the history.
Did you know that some people have more than one camera? I actually own two, a P&S, and a DSLR. You may have no idea on what those two words even mean, but you will soon. I will be talking about the three major types of cameras, SLRs and DSLRs, P&S, and mobile cameras. Let us hold that shutter button, and start looking.
We will start with point and shoot, which are also known as P&S. They can take good photos, but the results aren’t the greatest. They have many good features, such as metering systems, that measure the light coming in through the lens, and changeable shutter speeds and aperture. They can have zoom lenses, automatic focus, and preset controls, like landscapes, people, macro, and nighttime. Point and shoot cameras can be slim and light, to the point of not even knowing you have got them with you. This is handy for many situations. Of course, point and shoots can be quite bulky too, especially some of the super zoom models on the market. They are usually small though, and fit into pockets. Point and shoots also are used more for casual picture taking where memory is the most important thing. Also, these camera are so silent, that sometimes people do not hear it at all. Another thing that makes these camera great, is that they are relatively cheap. As you can see, there are many good things to these camera, that give it an upside.
Now, even though these cameras are good, they do have some down sides. The biggest drawback to these cameras, is that they do not have a viewfinder. The viewfinder is almost crucial to getting good pictures. Many digital camera users prefer to frame their shots using LCDs though. Point and shoots always come with this ability and some even come with ‘flip out’ screens, but these screens are sometimes unreliable. With Point and shoots, your image quality is not as great, as compared to some DSLRs.