Today, the camera has become an indispensable part of the phone. Every phone has a camera attached to it and that is what attracts many users. Nowadays, it is destined to buy a phone by looking at the camera in a smartphone. One of the most used features of today's youth after phone calls and messages is the mobile camera.
The use of cameras is on the rise, whether it's taking various photos with the Bell family at the festival or taking selfies with friends. Since professional cameras are not accessible to everyone in Nepal, smartphones with cameras have become the choice of many.
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Although it is most commonly used in everyday work, we may not know much about smartphones cameras. These are the things you need to know about smartphone cameras.
Megapixels:
A megapixel also called an MP for short, is a unit for measuring the pixels in a photo generated by a camera. One megapixel equals one million pixels. This means that a picture taken by a 10-megapixel camera has 10 million pixels.
Generally, the more megapixels, the better the camera, but megapixels are just a number. In some cases, a 12-megapixel camera can take better quality photos than an 18-megapixel one. The lens used in the camera also plays an important role than the megapixel.
Sensor size:
The sensor size also has a big impact on the quality of the photos taken by the camera in the smartphone. The bigger the sensor, the more it can see, which makes it possible to take good photos.
Most smartphones have a sensor size of 0.33 inches, while some smartphones have an average size of about an inch.
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The bigger the sensor, the more pixels. If there are two smartphones with equal megapixel cameras but the sensor of one is bigger than the other then the camera provides better quality shots.
CCD and CMOS (SIMOS):
There are two types of sensors used in smartphones. These are CCD (Charged Coupled Device) and CMOS (Complementary Metal Oxide Semiconductor). Earlier smartphones used CCD while modern smartphones now use high-tech and relatively expensive sensor CMOS.
Aperture:
Another important element of the camera is the aperture of that camera. The aperture is usually marked with an 'F'. If you see f / 2.0, f / 1.8 written like this, it provides information about the aperture of that camera.
The smaller the number, the larger the aperture of the camera from which more light can enter the camera. If you want to buy a smartphone with a camera that can take great photos even in low light, you have to choose a camera with the lowest aperture when choosing a camera.
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ISO and shutter speed:
The other two important parts of the camera, like the aperture, are ISO and shutter speed. The shutter speed is the unit that informs how long the lens of the camera stays open for photography, while the ISO works to determine how sensitive the camera is to the available light.
The higher the ISO, the more sensitive it is to light. At 100 ISO, the camera takes 1 second to take a picture, while at 800 ISO, it takes 0.125 seconds to take a picture.
Shutter speed is the time taken by the camera to take a photo. The user can easily change the shutter speed of the camera. The higher the shutter speed of the camera, the more light the camera can capture, but its weak point is to create blurry photos when the camera shakes.
Low shutter speeds are useful for taking instant photos, while long shutter speeds can be used to take photos, including fireworks, in low light.
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Image stabilization:
Image stabilization is to prevent the camera from shaking normally. Image stabilization is the process of stabilizing the image without causing the camera to shake.
There are generally two types of image stabilization:
digital image stabilization and optical image stabilization.
The use of software in digital image stabilization technology protects the image from normal shaking, while in optical image stabilization the camera lens is stabilized using mechanical methods.
The optical stabilization method is considered to be comparatively better than digital stabilization for taking photos in low light.
HD and Fork (4K):
Another aspect of the camera that camera users need to know is HD and 4K. HD and 4K are measured in terms of camera resolution like megapixels, but it is also associated with the video. The full HD version is high definition with 1920 pixels x 1080 lines.
Fork, also known as Ultra HD, is exactly double the size of HD, which is 3840 x 2160 lines. Similarly, the ATK 8k fork tends to be exactly double the 4k.
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This is not good for smartphones with low memory as the memory space covered by 4K videos is double that of HD. Although many smartphones with 4K resolution video capabilities have come to the market, smartphones capable of capturing 4K videos are rarely found in the market.
Format:
Most smartphones save images in JPEG format, but some high-end devices do save images in that format. And the format is considered good for professional photographers.
In this format, the image is saved as seen by the sensor of the photo camera, but in JPEG format, the image is saved by optimizing the image. Compared to JPEG format and the image in the format can be easily corrected.
Software and apps:
Despite having excellent lenses, camera sensors, and stabilized images, the use of bad software and apps can have a detrimental effect on the photos you take. Just as lenses, sensors, and stabilization are important, so are software and apps used on smartphones.
