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Camera is a device that has long been from past to present which has caused a widespread camera business competition until these days. There are many brands, models, and types for people to choose from. But only few people will know the important parts of the camera and how they work together to create photos. Today, we will be getting to know this together.

Camera body looks like a box in which the light passes through the camera without exposing to the film. The camera body has different sizes according to the style, quality, and the price of the camera. It also holds other parts of the camera together.

Lens, there are both the attached one to the camera that cannot be removed or replaced and the flexible one that can be changed. The changeable lens is often used at a professional level. The lens receives the light that is reflected from the object through to the camera and record the image on the film or reception device. There are 2 types of lenses which are plastic and glass lenses.

Viewfinder is a finder that you have to look through to compose your photo before shooting. In some digital cameras, they will have an LCD screen located at the back of the camera which displays the same image as in the viewfinder. The image that is visible from the viewfinder will look like the actual image that will be captured. There are 2 types of viewfinder. The optical viewfinder is a viewfinder that can see images directly. Then you can press the shutter button to take the picture immediately. Another type is the LCD viewfinder (Liquid Crystal Display) which is a viewfinder that can see images instantly via the LCD screen.

Image sensor will convert the received light to electrical signal and then turn it into a digital signal. This sensor determines the resolution of the image. High resolution cameras will have a lot of pixels which means more granular details. The sensor can be divided into 2 types: CCD (Charge Coupled Device) and CMOS (Complementary Metal Oxide Semiconductor). 

Battery is a power source that allows digital cameras to perform in displaying visual signals and driving the motor. The batteries that are popular among digital cameras are: rechargeable alkaline, rechargeable Ni-Cd, rechargeable NiMH, and rechargeable Li-ion.

Memory is the image storage that can re-display when needed the same as films in normal cameras. Memory can be divided into 2 types: internal memory and external memory.
The control button is a button that controls each camera function. For expensive and high efficient cameras, they will have a lot of buttons to control many complicated functions such as shooting function button, speed adjustment button, image resolution button, etc.

Shutter acts as the opening and closing of the camera. Usually the shutter will be closed. When the users press the button to take a picture, this shutter will open and then close after a set period of time. This is called shutter speed which means the time that the shutter will allow the light to pass through. The shutter speed will be low or high depending on your settings. The measurement of the shutter speed is defined in second such as 1/8000 second, 1/1000 second, 1/500 seconds, 1/125 second, and 1/30 second.

Diaphragm is a piece of black metal stacked together in layers with a hole in the middle called an aperture. It controls how much light to be passed from the lens through the film. Adjusting the aperture can be done at the lens. There will be numbers indicating the width or narrow of the aperture such as 1.4, 2, 2.8, 4, 5.6, 8, 11, 16 and 22. These numbers are popularly called F-stop numbers. A small number means the aperture is wide and the bigger number means the aperture is narrow which less light will pass through. For example, f/22 will take longer time to take the lights in compared to f/16.