What are the skills of ordinary card machine shooting at night?

Take a night scene with a card machine. Let's talk about the card machine first. Perhaps the vast majority of users who use card machines fail to shoot at night. To sum up, there are usually several major problems. The most common problem is blurred photos, because the light environment is not ideal, and the camera shutter speed will slow down. When the shutter speed is lower than 1/60s, the handheld mode can no longer guarantee the stability of the camera, especially when the shutter is pressed, camera shake is more likely to occur. Secondly, turn on the flash, and the picture is prone to uneven exposure. This is mainly because the size of the card machine is limited, the output power of the flash is generally small and the controllability is poor. When the light shines on the subject, especially on the face and reflective objects, the light will feel hard. The third problem is that when taking portraits at night, such as "Take a trip here", a flash is used, but the people take it clearly, but the background is black. The reason for this problem is that the flash and shutter are opened and closed at the same time, and the distance between the foreground and the background is different, which will definitely produce different exposure effects. Because the card machine generally has no manual function, even aperture priority and shutter priority, it can only rely on the preset scene mode in the camera. The so-called scene mode means that the manufacturer sets and adjusts the shooting parameters such as aperture, shutter, focal length, metering mode and white balance in the camera in advance. When shooting, users only need to select the corresponding scene according to the change of the surrounding environment, and the camera will automatically adjust the best shooting settings, even novices without photography foundation can shoot beautiful pictures. When we set it to night shooting mode, the camera will actually slow down the shutter speed, enlarge the aperture and increase the sensitivity appropriately. If you choose night portrait mode, you will first expose the background with a long shutter time, and then turn on the flash to fill the light for the foreground photographer at the moment when the shutter is about to close. Of course, according to my personal experience, even if I use the night scene mode, I still can't take a clear picture when I hold it, so I need to use a tripod or an assistant to support the camera. Shooting night scenes with professional cameras For high-end consumer cameras and digital SLR cameras, we use the superiority of manual function to shoot night scenes, and the effect is definitely better than that of card machine. The most important thing in night scene shooting is the mastery of exposure. There is no doubt that long exposure is necessary. I suggest shooting in aperture mode, because it is good to control the aperture. Some people may ask, since long exposure is needed, is the aperture as small as possible? Of course not. For any lens, the best image quality is not at the maximum aperture or the minimum aperture, but around F9. In addition, if we adjust the aperture to the maximum, the shot picture is prone to serious halo effect, which is very disappointing. In terms of exposure compensation, if the light in the whole plane is complicated and the brightness contrast of the light source is too large, it is best to reduce the exposure compensation by one step for the sake of prudence. This is in full compliance with the principle of "best not to expose". Even if there is underexposure, it can be repaired by software later. In the past, there were many related technologies. When shooting night scenes, the ISO sensitivity can be improved to ensure that the shutter speed meets the minimum handheld requirements. Personally, I think it is completely unnecessary. First, if you want to shoot a perfect night scene, you must use a tripod with long exposure. Secondly, the improvement of ISO sensitivity is obvious to all, especially in the pure black sky. The photosensitive elements of card-type models are generally small, and the noise control ability is poor. Generally, improving the first ISO sensitivity will have a direct performance on the screen, while the digital SLR camera is slightly better. In ISO400, especially Canon's digital SLR camera, its noise control ability is still excellent. What needs to be reminded to readers here is that the adjustment of ISO sensitivity should be particularly cautious. In fact, metering is not the biggest problem in night shooting. After careful comparison, it is found that the central part metering and the central key average metering mode are not accurate in complex lighting environment, and the spot metering mode is very difficult to use, but the evaluation metering is the most accurate and the use is the simplest. In terms of composition, night photography pays attention to the light efficiency of lighting, one is static and the other is dynamic. The so-called static light effect is nothing more than street lamps and neon lights. Ensure that the proportion of light and shade of the picture is coordinated, and an excellent night photo can always make you feel a strong sense of three-dimensional sense and depth. The so-called dynamic lighting effect refers to the use of this long exposure to shoot the traces left by car headlights, highlighting the sense of movement. Of course, we should also pay attention to composition, and it is best to combine it with the scenery along the street. If you shoot at night, no matter what camera you use, stability is always the key, and a tripod is essential. Only by shooting more, thinking more and feeling more can we improve the level of night shooting, and there is no shortcut.