DEFINITION OF PHOTOGRAPHY

Photography is an art of painting with light, so the light factor is the most important element in the art of photography, to do a photo shoot, one thing that is absolutely necessary is light. Both the light that looks like normal shooting or light that doesn't look like in infrared or X-ray shooting. The amount of light used to form an image depends on media sensitivity (ASA / ISO), Speed ​​/ Shutter Speed ​​and Diaphragm.

Photography itself comes from Latin, namely: photos are light, light. Graphein means writing, drawing or form design. So, photography is broadly writing or drawing using light. Dead images or paintings obtained through the irradiation process using light. Because in making our images using a camera, of course we must really master the tool as well as some basic techniques.

In the world of photography there are terms such as:
1. Diaphragm / Lens Openings
2. Focus / Hotspot
3. Lens
4. Shutter Speed ​​/ Shutter Speed
5. Lighting / ISO
6. Composition
7. Sharp / Deep Of Field Space
8. Macro
9. etc. there are many more ...


the first thing we discuss is, the camera first ...

1 Digital Camera

In today's world digital camera technology is increasingly advanced and developing, and along with the advancement of digital camera technology, the prices of cameras have also become increasingly affordable.

the camera itself is divided into several types:

A. Pocket / Pocket Digital Camera
This camera is generally small and can be inserted into a pants pocket or shirt pocket, the model is simple, and the operation is also relatively easy, suitable for practical needs, for example: Canon Ixus, Powershoot, Sony T Series, Nikon Coolpix, etc.

B. Digital Camera Prosummer
The shape of this camera is larger than a pocket camera, and usually the lens range is longer than a pocket camera that only has a 3 X lens range, for the prosumer class, the range of lenses can reach 12 X and some even reach 18 X, including this camera to step towards a DSLR camera, for example: Canon SX1, Kodak Z812, Panasonic Lumix FZ 18, etc. there are many others.

C. Digital Single Lens Reflex Cameras.
this camera is better known by people as DSLR cameras, the shape of the camera is certainly larger than a pocket camera and prosummer, the advantages of this type of camera, we can replace the lens as we want, DSLR cameras are divided into classes according to User needs and functions are as follows:
- Entry Level Class, many are used by beginners who want to start exploring the world of photography or just a hobby ... for example: Canon EOS 400, EOS 1000, Nikon D60, D40, Sony A200 etc ... regarding the price range of 4 millions to 10 millions , the operation is easy to understand for beginners ...
- Class Semi Pro, for those who want to be more serious in studying photography more deeply, for example Canon EOS 500, Nikon D200, D90, Sony A700, etc ... the price ranges from 9 million to 20 million, operating more variations than entry level
- Professional Class, usually used by professional photographers, the price can reach hundreds of millions of dollars ..., the operation is more complicated for beginners ... for example: Canon EOS 5D, EOS 1D Mark III, Nikon D3X, Sony A900, etc.


2. Diaphragm
Diaphragm or often called lens openings which means opening holes in the camera lens where the light enters when shooting. Each lens has different diaphragm openings. Typically, the diaphragm size starts with f / 2.8-f / 4-f / 5.6-f / 8-f / 11-f / 16-f / 22. The size of the diaphragm opening that we choose produces different photos. The small number shown by the camera means that the lens opening is large, aka a lot of light, and vice versa if the large number shown by the camera means that the lens is small or less. A small diaphragm opening will produce a large space. Medium large diaphragm openings will make a narrow sharp space (Blur).

The effect, the greater the openings, the greater the speed needed, the higher the speed. Other effects, the bigger the openings, the narrower the sharp space, meaning the greater the blur effect for areas outside the sharp space that is in focus. Many ways and purposes for diaphragm use / selection, which among other things will clearly affect the context of the photos we make.

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