The principle of working the camera.

Monday, December 10, 2018 : 10:24 AM

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1. Various Cameras

Currently the camera can be grouped into analog cameras and digital cameras. An analog camera takes pictures of the light captured by the lens, then stores the results on a negative film. In digital cameras there are more than millions of pixels (picture element) and CCD (Charged Coupled Device) and CMOS (Complementary Metal Oxide Semiconductor) image capture sensors. The sensor is a chip that is located right behind the lens. The more the number of pixels on the sensor, the more generated images will be.

Sensors that are widely used by manufacturers are CCD (charged-couple device semiconductor) and CMOS (complementary metal-oxide semiconductor) semiconductors. The quality and size of the sensor is one of the important factors that affect the quality of the image to be produced. Media for storing digital image data on separate digital cameras with light capture media. Storage media commonly called memory has various types depending on the manufacturer of the camera. Commonly used storage media are the types of Compact Flash (CF), Secure Digital (SD), Multi Media Cards (MMC), Memory Stick (MS) and (XD).

Currently there are many digital cameras in circulation from many camera manufacturers, with the ability of both the number of pixels, memory capacity, and other additional features. In general, the camera can be divided into several types, including:

Pocket camera

Pocket cameras are also called pocket cameras, because the shape is small and easy to carry everywhere and is very practical and easy to use because it does not need to set anything and the important thing is the picture must be because everything is set by the camera. So in this case the photographer doesn't need to interfere with the camera's technical problems, just aim and shoot (point and shoot). But at this time pocket cameras have developed enough with various kinds of facilities such as zoom lenses.

SLR camera

SLR cameras, called SLRs, are called SLRs because they work because they are reflected through a prism and mirror and then forwarded to the main lens so that there is no paralax effect (difference in shots and images captured by the camera) as happened in camera type range finder. With this type of camera, the photographer must determine the speed of the shutter speed, aperture (opening of the diaphragm) and focus, then here the photographer is the determinant of the quality of the photo, whether it becomes blurred or not more beautiful than the original. With SLR cameras the photographer can create as freely as possible by making certain effects by making different combinations of shutter speed and aperture, besides that SLR cameras are very many accessories such as various types of lenses, filters etc. With the development of technology in the field of photography, SLR cameras now also have all-automatic capabilities that adjust to lighting conditions, such as autofocus, automatic shutter speed, and automatic aperture diaphragm, but besides being able to be adjusted automatically the camera can be manually set. SLR type cameras are most widely used by amateurs and professionals alike, in addition to their ability, using this type of camera according to them is more challenging (maybe the meaning is more complicated because it has to adjust this

Range Finder Camera

So called because the shot is directly without going through the main lens (same as pocket cameras) some of the facilities are similar to SLR cameras, such as setting the diaphragm, shutter speed, focus settings and can be added accessories such as filters etc. This type of camera is now no longer popular.

Medium Format Camera

This camera how it works is similar to SLR but with the size of the film used is larger, namely 120 mm, with the size of the film then the resulting enlargement will be better than using 35 mm film. This camera is usually used for shooting Still Life (immovable objects), models, or for business purposes such as advertisements and magazines that require large image results.

Large format camera

Also called View Camera, this type of camera uses a larger film, which is 4x5 inches or 8x10 inches. If you want a very large size print with very good quality, you usually use this camera. This camera is usually only used for more specialized shooting such as aerial photography and photo architecture from close range without causing distortion (minimum)

Instant Camera

The advantage of this camera is its speed in producing images. With this camera we do not need to bother doing the washing process of printing the film, because, a few seconds after finishing shooting, the results will immediately be finished. But besides the advantages possessed, even this camera has its drawbacks. Because the film used is instant film, which certainly does not have a cliche, the shooting results do not allow it to be reprinted.

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