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Understanding of camera parameters

2026-07-24 17:49
2026-07-24 19:48

The following is an understanding of some common camera parameters: ** 1. Image quality-related parameters ** 1. ** Pieces ** - Pieces were the smallest unit that made up an image. For example, if the long side of a photo was 6000 pixelation and the wide side was 4000 pixelation, the photo would have 24 million pixelation. Usually, the higher the resolution, the clearer the image would be when magnified. However, the quality of the image was not entirely dependent on the resolution, but also on the size of the sensor. For photography, the resolution was an important consideration. Although some people thought that 20 million pixelation was enough, there were advantages to having a higher pixelation. Unless they often shot sports and dark environments, the high sensitivity of high-pixelation machines could not be considered for the time being. This was because some flagship machines sacrificed high pixelation for sports scenes in continuous shooting and high-sensitivity balance. 2. ** size of the sensor ** - There were different types of full-frame and half-frame sensors. The size of the sensor affected the image quality. For example, full-frame sensors might have certain advantages in terms of image quality. 3. ** Picture format ** - The main ones were the RAW format and JPG format. If you don't want to do post-processing, JPG format will do, but if you want post-editing, it's more suitable to choose the RAW format. 4. ** Picture Quality and size ** - For daily shooting, the size can be adjusted to large size and the image quality can be adjusted to high quality. However, when shooting news topics and other situations that required quick release, the photo size might have to be adjusted to M or S. 5. ** Picture Style ** - The camera had a variety of photo styles. It was recommended to choose the "standard" style for daily shooting unless there were special needs or you wanted to try other styles. ** 2. Exposure-related parameters ** 1. ** Aperture ** - The larger the aperture, the brighter the image. The aperture settings were different in different shooting scenes: - The aperture for landscape shots was usually F8 - F11. - When shooting portraits, you can use the maximum aperture or the maximum aperture can be reduced by one stop. - In cultural street photography, if you need to blur the environment, the aperture is F2.8 or larger. If you don't need to blur the environment, it is F8. - The aperture for macro shooting was F8 - F11. - The aperture range for shooting the starlight effect was F8 - F11. - When shooting flowers, birds, and insects, the aperture should be at F5.6 or below, and the best is to have an IQ of 400 or less. - The aperture also affected the depth of field. The larger the aperture, the shorter the depth of field. 2. ** Shutter ** - The slower the shutter, the brighter the image. There were different shutter speeds for different subjects: - The shutter speed needed to be above 1/60s to shoot general body movements. - Walk for more than 1/125s. - Faster than 1/500s. - Running for more than 1/1000s. - Skiing 1/2000s and above. 3. ** Light sensitivity (USB)** - The higher the sensitivity, the brighter the image. For daily shooting, you can set it to "STAR"(automatic sensitivity). When you use manual (M), you may manually adjust the sensitivity to control the image exposure. ** 3. Focus related parameters ** 1. ** Focus point ** - The more focal points a camera of the same brand had, the better. However, different brands had different focusing techniques, and the speed of focusing could not be compared by the number of focal points. 2. ** Face recognition, eye focus ** - It could focus on a person's face, eyes, and even animal eyes. Many new models had this function. ** 4. Other parameters ** 1. ** White Balance ** - Automatic White Balance (AWB) for daily shooting basically meets the requirements. Manual control is required for special scenes or when you want to change the image effect, such as through the built-in scene mode, manual adjustment of K value, etc. 2. ** Metering Mode ** - This included evaluation photography (Nikon Matrix Metering, Sony-called Multiple Metering), spot photography, partial photography, center-emphasized photography, etc. The most commonly used was evaluation photography, but in complex situations, spot photography, center-emphasized photography, etc. might be chosen. 3. ** Anti shake performance ** - The anti-shake function could reduce the probability of taking photos and making it easy to hold the picture when shooting videos. However, the body with anti-shake function was usually more expensive and needed to be chosen between budget and functional requirements. 4. ** Continuous Shooting Speed ** - If you often shoot sports, you need to pay attention to this parameters. Daily applications can basically be ignored. 5. ** Highest and extended IPs ** - If you are often involved in extreme subject matter shooting, you can consider this factor, but you don't have to consider it for daily use. Read more exciting novels for free

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