Distance from the camera lightsIn photography, the distance of the camera light was related to many factors. First of all, from the perspective of exposure, the distance between the flash and the subject has an inverse square relationship with the exposure. That is, the closer the light source is to the subject, the higher the actual effective exposure value and exposure brightness received by the subject. The farther the light source is from the subject, the lower the actual effective exposure value received by the subject. Secondly, in terms of the hardness of the light, the closer the light source was to the main body, the larger the area of the light source relative to the main body, and the soft light could be obtained (the shadow transition was uniform, and the shadow was light). When the light source was further away from the main body, the area of the light source relative to the main body would become smaller, and the light obtained would be more rigid (the shadow transition was sharp, and the shadow was strong). In addition, many people had a misconception that the farther the light source was, the softer the light would be. In fact, this was not the case. The contrast would become lower when the light source was far away, giving people the illusion that the light was softer. Through experimental comparison, it could be found that the shadow edge produced by a distant light source might be clearer than the shadow edge produced by a close light source. The hardness of the light and the contrast were different concepts. One had to learn to observe the shadow to control the distance of the light to achieve the desired effect.
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What are the basic settings of the camera lights?The following are some basic settings for photography lights:
1. ** Brightness and color temperature adjustment **: This is the basic function of professional photography lights. For example, some photography lamps could achieve 0 - 100% infinite brightness adjustment and 2700k-10000k wide-area dual color temperature adjustment to meet various shooting needs.
2. ** Basic lighting method **
- ** Single Soft Light Lighting **: This is a simple lighting method. You only need a soft light to be placed on either the left or right side of the model. The soft light should be placed a little higher than the model and shot from a 45-degree angle.
- ** Front lighting (main light + auxiliary light)**
- ** Main Light Setting **: Use a lamp (soft light box and other accessories can be added or not) as the main light. Illuminate the subject from the side of the camera at about 30 - 60 degrees from the shooting direction. The main light is usually slightly higher than the subject's head, but it should not be too high. When the subject's face turns slightly to the side, the main light should be adjusted to project from a narrower or wider side (narrow light illumination or wide light illumination).
- ** Setting of auxiliary light **: Because the shadow tone of the subject may be too deep when only the main light is used, the auxiliary light is needed. If light is used as auxiliary lighting, it should be placed as close to the camera as possible; if a reflective board is used to assist lighting, it can be placed on the shadow side of the subject. The strength of the auxiliary light determined the light ratio. The weaker the auxiliary light, the greater the light ratio.
- ** Lighting **
- ** Dual Lights Setting **: You can use two flashes with the same power and a soft light box. From the left and right sides of the camera, at the same distance and slightly higher than the camera, the light will shine on the subject. The soft light box cannot be too high to avoid creating too deep shadows.
- ** Single light setting **: Use a light slightly higher than the camera to shine at the subject from behind. If the shadow on both sides of the face is too deep, you can use a reflective board (such as a white foam board) to dilute the shadow.
- Split Light: Divide the face into two, one side light and one side dark. It will create a strong sense of drama. It is suitable for people with strong personality or temperament, such as artists, musicians, etc. It will also reflect a strong masculine taste.
- ** Use the window to let in light **: The soft, non-direct light from the window is suitable for taking photos of people. If the side of the face not facing the window is too dark, adjust the shooting position so that the face receives more light.
3. ** Lighting for different subjects **
- ** Character shooting lighting **: For example, when shooting Korean miscellaneous photos, you can place an octagonal lamp in front of the character to slow down the reflection on the ceiling to make the skin softer. At the same time, use two shields to hit the background ground to fill the background with a faint warmth.
- ** Lighting for still life shooting (using the metallic texture as an example)**: The surface of the metal is easily reflective and will reflect the surrounding objects. Therefore, when shooting metal in a dark environment, the lighting is either fully or partially wrapped.
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Huawei camera lights up redThere were two possible situations when the red light of the Huawei camera lit up. The first was the power indicator light of the camera, which lit up after the power was turned on, indicating that the power supply was successful and that it was working under normal circumstances. The second was the night vision infrared fill light inside the camera, which lit up at night or when the surrounding light was very dark, which also meant that the camera was working.
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The camera parameters when shooting lightsThe camera parameters were different for different lighting scenes:
1. When shooting the creative lighting of the sunset, the color temperature can be selected to be 2700K yellow light, and the brightness can be selected to be 100%.
2. For shooting city night lights, in M mode, you can set it to F16, 15 - 30 seconds, 100, shutter speed 30 seconds, put on the hood, and the white balance is a tungsten lamp. For shooting cave lights, the M mode can be set to F8 - 11, 15 - 30 seconds, 100, and the white balance is an incandescent lamp style. In aperture priority mode, it can be set to F8 - 11, 100, and the white balance is an incandescent lamp style. The cave portrait could be set to F4, 1/8 seconds or F5.6, 1/4 seconds, and the white balance could be set to incandescent light.
3. When shooting the light of the moon, the camera would be manually set to M mode at full moon, with the parameters of 100, F11, 1/125 seconds, F5.6, 1/60 seconds for half moon, and F5.6, 1 second for crescent moon.
4. For shooting street lights, it can be set to 15s, Iso100, F11 (adjusted according to street brightness); for shooting water boat lights, it can be set to 30s, Iso100, F8 (adjusted according to environmental brightness).
5. For shooting fireworks, the settings can be set to 1s- 4s, Iso200, F8; for shooting lightning, the settings can be set to B-gate, Iso200, F8 (until the end of the exposure, the environment should be darker).
6. For shooting Milky Way lights, it can be set to 30s, USB 1600 - 6400, F2.8 (with super wide angle); Star orbit shooting a single photo exposure of 30s, every 1s shooting the next photo, at least 120 post-production stacks.
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The camera charger lights up yellowIf the camera charger turned yellow, it could be caused by a variety of reasons. If the camera has not been used for a long time and its performance has deteriorated, you can first turn off the power supply and let it stand for a while before charging it. The yellow light flashing may also mean that the charger has recognized that the battery is in an abnormal state. After confirming that it is not a dust blockage or a short circuit, you can try to slowly charge it several times and observe the reaction. The battery may have aged. In this case, it is recommended to replace the battery with a new one. Or the battery has not been used for too long and is seriously self-discharged. It needs to be fully charged before trying again. It may also be that the charging cable and the interface are not in good contact. You need to check it. If the Canon charger has been flashing yellow light and is hot, it is not normal. It may be that the charger circuit is faulty and there is no output, or the output cable is broken. If it is a Canon camera, it is also necessary to consider whether the battery is aging. It is recommended to take it to the repair shop to replace the battery. At the same time, it is necessary to make sure that the battery is the original and installed correctly. The charger is the original accessories.
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