How the camera works and how to take a nice picture

Now smartphones have replaced most camcorders as well as digital cameras because of their usability and improved quality. So how to take beautiful pictures by phone inviting to follow the following article.

Operation of the camera phone and how to take beautiful pictures

  • How does the camera on the phone work?
  • The focus technology on the phone?
    • Dual-pixel
    • Focus on phase
    • Identify the contrast
    • Lens on the phone
    • The aperture of the camera on the phone
  • How to take beautiful pictures with your phone?
    • Reach the object
    • Get moderate light, focus
    • To take good pictures with your phone, you should hold your phone still
    • The basic principles when taking pictures
    • Photography experience
    • Turn on the grid to align the frame
    • Keep the glass behind the camera clean
    • Use additional editing software

The actual camera on the phone has evolved to a high level. But how do you know which camera is good for the camera? And how do they work? How to take beautiful pictures with your phone? Learn how to take great photos through the following criteria.

How does the camera on the phone work?

With the above question, let's explore how the camera works. The way it works on digital cameras, phone cameras and DSLR cameras is the same.

  • Smartphone users turn on the camera on the phone and focus on the entity
  • Light into the lens
  • Aperture determines the amount of light transmitted to the sensor
  • The shutter determines the length of time the sensor is exposed to light
  • Sensor capture image
  • Hardware of the camera and record images

Picture 1 of How the camera works and how to take a nice picture
The way it works on digital cameras, the camera on phones is the same.

Most of the items on the list above are handled by simple cameras, so their performance is determined by the laws of physics. That means that some of the observed phenomena in your photo will be affected by the angle of the shot, the amount of light entering the camera. So taking good pictures with your phone is influenced by objective factors and there is no specific rule in a specific specific case for taking photos.

For smartphones, most of the problems will appear from step 2 to step 4 because the lens, aperture and sensor are very small and therefore the ability to control light on an image to get a good picture is very It is important to apply many light balancing processes and key techniques based on the photographer's experience.

The focus technology on the phone?

Dual-pixel

Dual-pixel autofocus is a form of phase detection that focuses more focus points on the entire sensor than the autofocus process. Instead of focusing pixels, each pixel consists of two photodiodes that can compare the shooting stage differences to calculate where the lens moves to yield a focused image of the subject. Because the sample size is much higher, so is also the camera's ability to bring the image into focus faster. This is the most effective autofocus technology on the market.

Picture 2 of How the camera works and how to take a nice picture
Dual pixel on Samsung galaxy S6 Edge.

Focus on phase

Like the dual pixel auto focus mode, the phase detects the subject using photodiodes on the sensor to measure the difference in the phase on the sensor and then move them to the lens to get them. However, it uses specialized photodiods instead of using a large number of pixels because taking more pixels would certainly be less accurate. But the naked eye will not see much difference, but sometimes just a little negligence you will remove a perfect picture.

Picture 3 of How the camera works and how to take a nice picture
Phase detection on Samsung Galaxy S7 Edge.

Identify the contrast

The oldest of the three focusing technologies introduced, contrast detection detects subjects by brightness across sensor areas so that the camera automatically focuses to a certain amount of contrast.

Lens on the phone

Picture 4 of How the camera works and how to take a nice picture
Any photo you take has the same magnification as what you see.

Decoding the numbers on the camera can be difficult, but fortunately these concepts are not as complex as we think. The main focus (rimshot) of these numbers usually includes focal length, aperture and shutter speed. Let's start with the first 2 numbers.

The fact that in order to accurately interpret the focal length is very complicated, photography refers to the angle of view equivalent to the 35mm frame standard. While a camera with a small sensor may not have a 28mm focal length, the Image Focus you take on that camera will have the same magnification as a full-frame camera with a 28mm lens. The longer the focal length, the more "you'll zoom" in on your image; And the shorter the focal length, the wider the viewing angle. Most human eyes have a focal length of about 50mm, so if you use a 50mm lens, any photo you take has the same magnification as what you see.

The aperture of the camera on the phone

The mechanism that controls the amount of light passing through the lens and into the camera lens is called the aperture. The more the aperture you close, the bigger the aperture will be, the more your image will be in focus, and the larger the aperture, the lower the total number of images you will receive. Wide open apertures are appreciated in photography because they allow you to take pictures with a blurred background, highlighting your subject while a narrow aperture is great for macro photography, landscapes, etc.

Picture 5 of How the camera works and how to take a nice picture
The more you close the aperture, the bigger the aperture is.

However, the aperture on different sized sensors does not allow the same amount of light to be captured. By determining the diagonal measurement of 35mm and dividing by the diagonal measurement of the sensor, you can calculate what is the ratio on your phone. In case of iPhone 6S (diagonal sensor ~ 8.32mm) - with aperture ƒ / 2.2. Picture 6 of How the camera works and how to take a nice picture

Picture 7 of How the camera works and how to take a nice picture
Apertures on different sized sensors do not allow the same amount of light to be captured.

How to take beautiful pictures with your phone?

In photography, the exposure settings of aperture, shutter speed and ISO speed are important when taking a photo, to understand the above concepts you need to study more in this article. is the process of taking photos on the phone.

When it comes to a beautiful photo or a picture that is at least not considered unsightly, it's the ability to properly expose when shooting. However, you can see that the automatic camera mode on your phone handles all the objects in front of the camera, sometimes you will see a lot of noise, due to the light coming into the camera on the phone directly. not go into the subject. To have a great photo you have to know how to capture the context, angle, exposure, ISO and aperture. Here invite you to see how to take beautiful pictures on your phone through 8 items listed below.

Reach the object

To take a picture you need to select the subject to capture, select the background if desired. But it is important that you approach the subject in order to clearly see the subject you are shooting, and scale the subject in the frame to suit your eyes. Partly because the phone resolution is not as high as the camera.

Get moderate light, focus

You need to pay attention to the composition and brightness of the picture you are taking if you want a good picture.

To take good pictures with your phone, you should hold your phone still

You need to keep your phone still if you do not want your photos to be blurred, although today's phones support optical image stabilization, but don't rely too much on them, you need to keep the camera still and stable. shake, because the lens on the camera is so small that every shake of the phone will affect the picture.

The basic principles when taking pictures

1/3 principle: place the subject to be photographed right or left as shown in the image below with the ratio of 1/3, nine on the frame you try to place the subject at the intersection of the lines at 1/3.

In addition, you can refer to some other principles such as: 1/3 or 2/3 horizon, make use of symmetrical lines in your frame, color the image by placing the subject in need. capture behind the color scenes, and focus on your subject for a beautiful background.

Photography experience

To know the minimum things when taking a photo you need to read a lot about photography, such as photographing a short person, you should lower the lens so that when looking at the picture is beautiful, photographing children, you should put the lens at eye level of them. And other things .

Turn on the grid to align the frame

If you are not familiar with the ability to align subjects in the frame, you should turn on the grid to be able to better align, especially for new photographers. Picture 8 of How the camera works and how to take a nice picture

Keep the glass behind the camera clean

This is a minimum when taking photos because if your lens is dirty, the camera on your phone will give a blurry picture, because light from outside to your camera is limited.

Use additional editing software

If not, you can use additional editing software to enhance image tone, adjust color, and effect the idea in your mind.

Through the above article, you have understood the basic concepts of the camera on the phone and how to take beautiful pictures, to be able to take beautiful pictures with your own phone. Good luck.

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