We will discuss some of the basic art techniques of taking good pictures by utilizing the knowledge and characteristics of digital cameras and feature / function knowledge. While camera decisions are made on the cameras with automud / sinemood on the camera, there are many important issues that the photographer has to decide. The exact decision depends on the knowledge, preferences, taste, fantasy and experience of the photographer. Such as compose, distance, angle, position, viewpoint, pose, orientation, background etc. of the photo. So, in all cases, it is difficult to say exactly what is correct.

★Composition

After selecting which subject to take a shot, there are a few things to consider for a good photo. For example, on the top, bottom, right, left, the area will be framed in the frame, the side will be placed in the background, the subject will be somewhere in the frame of the frame, etc. Compose is very important for a photographer, because after editing the graphic program, editing the compose settings can not be changed in most cases. The following are important topics of composite:

1. Subject location in the image
   We usually use the subject in the middle of the frame shown in the viewfinder and used to take photos from the front. The pictures are two-dimensional and unobtrusive. Before taking a shot, split the focus area horizontally and vertically into three parts.

Position the subject in any intercept point of lines. In photography this technique is called Rule of thirds. In some cases, if the subject is set to diagonally, the picture is beautiful and it can be covered with a large subject in a small frame.

Position the subject in any intercept point of lines. In photography this technique is called Rule of thirds. In some cases, if the subject is set to diagonally, the picture is beautiful and it can be covered with a large subject in a small frame.

1. The importance of the subject
   We photocopies usually aim for a subject (individuals, animals, objects). Therefore, more than the other parts of the photograph, the subject matter is important. Without the need of special space, there is no need to keep the space on the quadrangle and take a bigger background. Take as much pictures as possible and take pictures. Instead of closing the zoom, it is better to go and get a shot instead. Use zoom if it is not possible to get close. Before taking a shot, look at the four corners of the focus frame in the viewfinder, whether there is something important. If not close the subject closer to the subject and cover the background by shortening the background.

Because of taking shots from a distance, the girl's face is not clearly visible in the picture on the left. By taking the shot and taking the shot, the girl's picture is clear and lively in the right picture, as well as the background has come as it means that it is a sand beach.

When a particular feeling, a person's limbs or an object is attracted to the beauty of the particular picture, then the external expression of that particular feeling, close the part / part, and cover the whole frame. It will feature a special feeling / beauty and antimisi cent percent.

1. Background selection in photos
   The background is more brighter than the subject or any color that merges the subject. Subject and background should be positioned in such a way that there is a three-dimensional effect in the photo. Increasing the distance between the subject and the background only focuses on the subject and reduces the attraction of the unimaginable background.

On the left photo, the unexpected guy in the background and the beauty of the photo was damaged on the girl's head. In the photo below the right side, the depth of field (exposure of in-focus distance) with exposure has been obscured, and the background is obscured by focusing only on the subject.

1. Correct Orientation
   Normally the horizontal / vertical decision of the subject is based on the length of the subject or the background, in which case the photo may be good for both horizontal and vertical orientations.

5.Point of view
Viewpoint is the angle and the shot from any side. Viewpoint is very important in photography. By changing the viewpoint, the photo can be made more interesting and three-dimensional. There is also a change in the background. It is possible to create different viewpoints by changing the position of the subject or the camera or both.

1. Photography Poses
   Poss is the physical language of the subject of photography, the characteristic characteristic of the subject, the emotional feeling, the possibility of exposure. "Photo speaks" if you can take a shot with a suitable piece of subject.

7.Framing
Framing is to attach the subject to another part of the geometric shape of the image. This attracts the attractiveness of the subject and increases the effect and depth of the photo.

★Exposure

In photography, "Exposure" means how much light will come in the film or CCD. The importance of light in photos is immense. So, to take good and beautiful photos, there should be an idea about the technique of direct and indirectly controlling the light. While the subject is somewhat technical and complex. Automuded camera on the digital cameras and the digital cameras themselves have exposure settings, yet there is some knowledge about this topic. And if SLR camera is there, you must know about this. If we compare Exposure to a triangle, then there are three angles of the triangle: ISO, Aperture and Shutter Speed.

★Auto Exposure

In this option, the camera itself has already been exposed to exposure, but it is possible to directly manipulate the auto exposure strategy. Generally, most modern digital cameras collect light information from various places in the focus area (collecting more information than center position) by setting all the information in the exposure setting. At the moment of hitting the shutter button half-pressed by gathering information. To make any photo more light, focus on the darker surrounding area from the focus area of ​​the photo to focus on the center of the viewfinder and hold the shutter button half-pressed. Frame the viewfinder to the place where the shutter button moves the camera just by sticking to the place. Take the shot from the rest of the shutter button. Since the camera has set the exposure on the basis of relatively dark space information, then your image will be slightly more bright and bright than the rules. You can also auto-exposure manipulation opposite to reduce the brightness of any photo. Check, the technique might be useful. Keep an eye on the focus area when photos are taken in Automood so that the amount of light everywhere is almost the same. On the other side, sunlight on one side, dark shade in the other side is so complicated, but the auto-mood aperture setting may not be correct.

★Manual Exposure

We discussed a little bit in the "Digital Camera Tietoreel" section about the manual exposure. We will try to discuss more details here. Shutter Speed ​​After pressing the shutter button, the round hole or the window will be open for the light to enter through the lens, and the Apertures determine the size of the circular window (diameter) of light entering.
Large aperture (window size big) = small f number
Small aperture (window size smaller) = big f number
Time of Shutter Speed ​​is expressed in the fraction of seconds.
The first number of '125 16' or '500 8' is displayed on the camera's viewfinder or display on a normal sunny day, meaning: Shutter Speed ​​is 125 seconds 1 second, or 1 second of 500 seconds, and the second number is also a fraction, which means that the focal length of the lens is round window Share with diameter is divided into 16 (80mm / 5mm = f16) or 8 (160mm / 20mm = f8).

1. Apertures
   The size of the aperture 'round open window' is expressed with f / number. For example: f / 2.8, f / 4, f / 5.6, f / 8, f / 22 etc. In the selection of this number series, the size of the window will be doubled to the smallest number of steps in every step and if the larger the number is smaller, then by half the steps will be smaller . Specifically, shutter speed or 'window timeout' ½ s - ¼ s - 1/8 s - 1/15 s - 1/30 s - 1/60 s - 1/125 s - 1/250 s - 1/500 s decreases by half or decreases by half. So if the aperture value changes one step, the size of the window is reduced to half and the value of the shutter speed is one step, and the window is doubled while keeping the window open, then the effect of the light in the minasase plus the lens will be the same as before. This is the mutual relationship of Aperture and Shutter Speed.
   Another thing needs to be clarified before discussing their application - Depth of Field Daphtha of Field, in photography, determines the distance or the focus of the photo. Large depth of field means that everything near the subject of the subject and subject of the subject will be the focus. In order to increase the depth of the picture, the size of 'Aperture' or 'round open window' should be reduced, ie f / number will be larger.

The flower shot on the left side is taken with the aperture f / 2.8, the result is Small depth of field, only the flower comes in focus, there is nothing behind it. Right side shot taken with aperture f / 16. Outcome Large depth of field, everything is near and far under the focus. Try to remember, though it is a bit absurd to hear:
Large Aperture = Large Hole = Low Number = Small Depth
Small Aperture = Small Hole = High Number = Large Depth
We can now say, Depth of Field depends on two things: Distance from the subjacent to the camera and Aperture setting.

1. Shutter Speed
   We know shutter speed and aperture are both light-weight tools. Aperture light penetrates small holes, and shutter speed light penetrates the amount of light entering the amount of light leaving it for a little more time. Where the subject is dynamic, the amount of light is controlled with Shutter Speed ​​instead of Aperture. Usually moving cars, sports, children's run-and-take shots, fast shutter speed, the photos are better.

While riding the bike, the child's photos were mounted on the fast shutter speed setting and bicycle targeting the camera. So the background has been blurred. That's good, there is no possibility of spoiling the interest of the subject when something unexpected happens in the background of the photo. To understand the difference between fast and slow shutter speed, see the image below:

Two pictures of the same fountain Quick Shutter Speed ​​Shot of the Picture on the Left - A hole for the sensor in the sensor was opened through the lens for a second of 500 seconds. Every point in the water is floating in the air. The image on the right side was taken on slow shutter speed (30 seconds to 1 second). Note that during the slow shutter speed, the camera is tripled or it is better to take a shot. Otherwise the shake of the hand is more likely to blur the picture.

1. ISO (Sensitivity)
   How quickly, CCD or CMOS sensor in digital cameras is sensitized or reacted quickly to the touch of light is determined by the ISO number. Low ISO Rating means more light is needed for less sensitive ie accurate exposure. The opposite of the high ISO rating is the opposite. Generally ISO 100 - ISO 400 usage is more. The higher the ISO rating the camera will be able to make less light photos. In addition to taking quick shutter speed shots, the ISO rating is even higher. The negative aspect of the High ISO Rating is that the photo creates a 'noise'.

2. Contrasts and colors
   Contrast means the difference between the brightest and darkest color density of a photo.

Balance contrast and color is possible as a combination of light source, quantity, layout and exact exposure.

★★Last word

Without the need to use manual exposure is not good. Most models of the latest models of cameras accurately expose. If the photo is not like your mind, then you can experiment. There is nothing to say about SLR cameras, the latest compact cameras also have partial manual exposure. The quality of a photo on your camera in a specific ISO, Aperture and Shutter Speed-value, there is no guarantee that the photo will be of the same quality as the exposure value of another camera. Exposure value based on camera model, feature and lens can be different, but the quality of the photo may vary.
Hopefully these three episodes on camera and photography's basic art techniques will be useful to new and ordinary users of the camera.

Believe in Yourself by @eliashossain

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