In today’s world, 50% of your day is probably being recorded by a camera. The list of cameras that is going to discussed in this essay will include, smartphone cameras, webcams, traffic cameras, dashcams, closed-circuit televisions, and backup cameras. It will also explain different functions and terms of a camera and differences between lenses. Digital cameras kind of look like an ordinary film camera, but they operate in a totally different way. It works by pushing a button that is connected to a wire in in the camera that operates the flasher. From this point on the digital camera has no film in it but instead there is electronic equipment that captures the light rays of a picture and turns them into electrical signals (www.explainthatstuff.com and www.techhive.com). Some of the pieces of a camera are lens, flash compaction, LED, focusing mechanism, image sensor, SD card and processor chip. The bright light that focuses on a point. The flash copaction is what helps with making an image more clear. The SD card is a piece of the camera that is the most important because it saves the pictures that are taken and can be printed when ready to be printed. The image sensor is a device, that’s part of the camera’s hardware that captures the light and changes what the person sees through the viewfinder or an LCD screen onto an image. (www.explainthatstuff.com). Six of the different lenses that were found are, the ultra wide angle or fisheye, regular wide angle, standard lense, short, medium, and super telephoto. The difference between the lenses are, the different things that they are used for and they all take different pictures depending on what lense you have on your camera, it also depends on what you are taking pictures of. (www.techhive.com)The four terms and functions used in commonly in photography are the f-stop which is the opening that lets light into your camera, the focal length is the lens is the distance between the lens and the image sensor when the subject is in focus. The third term is the film speed it is the measure of a photographic film’s sensitivity to light, determined by the sensitometry and measured on various numerical seals, and last is the viewpoint which is the apparent distance and angle from which the camera views and records any subject.Throughout my research I found out that cameras can be used for many different things like nature scenes, photo shoots, police things. Like interrogations, chases. Some other things are security cameras in stores, banks, really big businesses or small ones as well. The first cameras were not used to create images but to study optics and in 400 B.C. references to the camera obscura have been found in Chinese texts. A french scientist Joseph Nicephore Niepce had developed the first photographic image that is with a camera obscura.