What does the principle of studio exposure mean?
When shooting in a studio, the principle of exposure involved many aspects. Generally speaking, exposure refers to the amount of light that enters the lens and shines on the sensor during the photography process. It is controlled by the combination of aperture, shutter, and sensitivity. In order to minimize the impact of hand vibrations on the camera during manual exposure in the studio, the shutter speed of the camera was usually set to the flash sync speed of the DSLR camera, and the aperture was set according to the light meter value. The light meter would measure the light intensity and other conditions to provide a basis for the aperture setting to achieve the appropriate exposure. The correct exposure required the value to be within a limited range (for example, in 8-bit format, the minimum value is 0, and the maximum value is 255). If there is a problem with the exposure, it may cause the information to be lost, causing the photo to be unable to be repaired or completely repaired or corrected. In addition, the camera's automatic exposure was based on an 18% gray standard light measuring plate, but this could lead to inaccurate exposure because the camera did not understand the subject's situation and could not distinguish the difference between dark and dark, light and light. If there was a big difference between the subject and the 18% gray, exposure compensation might be needed. If there were too many dark colors in the composition, the camera might increase the exposure and cause overexposed; if there were too many light colors, the camera might reduce the light and cause underexposed. When determining whether the exposure was correct, one could observe the Histogram. The vertical axis represented the amount of pixelation, and the horizontal axis represented the color level. Through the distribution of the Histogram, one could determine the exposure of the photo, thereby providing a reference for adjusting the exposure parameters to obtain the ideal studio exposure effect. Read more exciting novels for free
How to adjust the parameters of the exposure in the studio
To adjust the exposure parameters in the studio, it mainly involved the adjustment of the aperture, shutter speed, and sensitivity (USB): ** 1. Aperture ** 1. ** Principle ** - The aperture was the light hole in the lens that entered the camera. It was composed of leaves. By controlling the zooming of the leaves, the size of the light hole was controlled, thus determining how much light entered the camera. The aperture value was represented by F/X, which could be understood as a fraction. The larger the X, the smaller the aperture; the smaller the X, the larger the aperture. - The size of the aperture directly affected the depth of field. The depth of field referred to the range of clear images before and after the focal point. 2. ** Adjusting basis ** - If you wanted a shallow depth of field to blur the background, suitable for shooting portraits, still life close-ups, etc., open a large aperture (a small number, such as F2.8), so that the exposure increased and the photo brightness increased. - If you want a large depth of field to make the background clear, such as taking a group photo or a photo that needs to show the whole scene, you can reduce the aperture (the value is large, such as F16). At this time, the exposure is reduced and the brightness of the photo is reduced. ** 2. Shutter Speed ** 1. ** Principle ** - The shutter speed was the exposure time. A long exposure time (slow shutter speed) meant more exposure, and a short exposure time (fast shutter speed) meant less exposure. 2. ** Adjusting basis ** - In the studio, if you want to shoot a static object and need sufficient exposure, you can use a slower shutter speed, but be careful to avoid blurring the picture due to factors such as hand shake. If you use a tripod to hold the camera, you can further reduce the shutter speed as needed. - If the subject had slight movements, such as subtle changes in the posture of the person, the shutter speed needed to be increased to prevent the image from blurring. ** 3. Light sensitivity (USB)** 1. ** Principle ** - The light sensitivity was often set to a low value to ensure the quality of the image, but it needed to be adjusted when there was insufficient light. 2. ** Adjusting basis ** - The light in the studio could generally be manually controlled. If there was sufficient light, the IQ could be set to a lower value, such as 100, to obtain the best quality. - If the light is dim, you can increase the USB, but try not to exceed a limit (such as 6400, exceeding this value may cause more noise to affect the image quality). In addition, he could also use the camera's dimming function to use the camera's dimming function as the standard and use the exposure compensation to interfere, thus achieving the correct exposure. If semi-automatic modes such as aperture priority and shutter priority were used, the camera would guide the exposure parameters according to the light measurement results to achieve the accurate exposure that the camera believed. At the same time, he could also refer to the exposure Histogram to accurately determine the exposure of the photo, and try to avoid the situation of "dead white" and "dead black". If you use the M manual mode, you need to consider the above factors to adjust the aperture and shutter, and the sensitivity, white balance, and other settings are the same as the other modes. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to use the exposure light in the studio
When using exposure lights in studio photography, the following aspects needed to be considered: ###1. The camera settings 1. * * Shooting Mode ** - Since the built-in light meter of the camera measured the environmental lighting before the shutter was activated, and the studio exposure was based on the instantaneous flash after the shutter was activated, only M mode (manual mode) could be used in flash studio photography. 2. * * White Balance (DB)** - It is recommended to customize the white balance. 3. * * Light sensitivity (USB)** - In order to achieve better image quality, it is recommended to set the USB to the lowest value. 4. * * Focus Mode (AF-mode)** - It is recommended to use the single-focus mode. ###2. Elements of exposure control 1. * * Aperture (F value)** - An intermediate value can be set initially, such as F8. If you are overexposed, you can increase the F value (reduce the aperture), adjust the flash power to reduce the output, or move the flash position to move it further away from the subject. If you are underexposed, reduce the F value (open the aperture), adjust the flash power to increase the output, or move the flash position to move it closer to the subject. 2. * * Shutter Speed ** - The shutter speed would affect the brightness of the background. 3. * * Flash Power ** - The studio flash had "output power"(unit: W·S), flash index (GN), and other technical indicators. The power could be controlled (with or without levels). The exposure can be controlled by adjusting the power of the flash, such as reducing or increasing the power output when overexposed or under-exposed. ###3. Lighting and Lighting Operation 1. * * Single light distribution ** - For example, when shooting a portrait, the position of the light could be set above the head of the person, and a large umbrella could create a softer and more uniform light. If the light is too strong, you can use tools such as umbrellas or reflective boards to reduce the light intensity to better express the skin texture. For example, the Rembrandt light was a classic single-light work, which could highlight the three-dimensional effect of the character. 2. * * Double Lights ** - A dual-lamp lighting method was that the main lamp had 1/2 light output with a reflective umbrella on the upper left, and the auxiliary lamp had a soft light box on the right side of the model to output full light to emphasize the outline and the three-dimensional effect of the model. The exposure was based on the light output of the main lamp. There was also a situation where the double lights were completely backlit. The model stood in front of the main light softbox, and a supplementary light was set up on the same axis as the camera position. It could achieve an effect similar to outdoor backlighting, but the light was more delicate and could better show the details of the dark side. 3. * * Activation Method ** - There were several ways to trigger the flash in the studio, such as a flash line, a trigger, a light control, and a test flash button. 4. * * Lighting accessories and effects ** - Using different lighting accessories would produce different lighting effects. For example, using the octagonal soft light box could make the light softer and better express the texture of the character's skin and the effect of blurring. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Techniques and methods of exposure in studio photography
The exposure techniques and methods for studio photography were as follows: ** 1. Basic Mode Selection ** 1. ** Aperture priority (LV)** - First, he had to determine the size of the aperture he wanted. A large aperture (such as F2.8) had a large amount of light and a small depth of field, suitable for portraits or close-ups; a small aperture (such as F16) had a small amount of light but a large depth of field, suitable for landscape shooting. 2. ** Shutter priority (TV)** - By adjusting the shutter speed, the amount of light entering was determined. When the shutter speed is fast, the amount of light entering per unit of time is small, which can be used to freeze moving objects. When the shutter speed is slow, the amount of light entering per unit of time is large, which is suitable for shooting large depth of field images or displaying motion blur effects. 3. ** Manual Mode (m)** - Completely deciding the settings of the aperture, shutter, and other parameters required a deep understanding and mastery of the three elements of exposure. ** 2. Use of the three elements of exposure ** 1. ** Aperture ** - The size of the aperture directly affected the amount of light entering and the depth of field. A large aperture could get more light per unit of time, making the blurring effect obvious, while a small aperture was the opposite, making the blurring effect less obvious. 2. ** Shutter ** - The shutter speed controls the amount of time the light enters the camera. In the studio, if you shoot a static object, a slower shutter speed combined with the appropriate aperture and sensitivity can get enough exposure; if there are dynamic elements (such as the model moving slightly), you need to adjust the shutter speed according to the desired effect. 3. ** Light sensitivity (USB)** - The light in the studio was relatively controllable. In the case of sufficient light, the CPU should be reduced to the lowest to obtain fine image quality. Although a high IQ could make the image brighter, it would cause the quality of the image to deteriorate. Generally, raising the IQ was considered when there was insufficient light. ** 3. Other relevant factors ** 1. ** Metering Mode ** - ** Spot Metering **: Can be used to accurately measure the reflected light intensity of the object. It used the lens to measure the aperture size to determine the amount of light received and calculate the exposure value. - ** Average Central Focus Metering **: The average value is determined according to the distribution of the main light and the secondary light of a group of parallel light rays. This is a commonly used measuring method. 2. ** White Balance ** - Different white balance settings would affect the image. For example, when using a colored light source such as a tungsten lamp under sunlight, it is recommended to use a white fluorescent lamp. Incandescent lamps have a high color temperature and are close to the color of sunlight, which is suitable for simulating sunlight. 3. ** Use of Flash ** - It was decided whether to turn on the flash according to the situation on the scene. The flash was a tool to assist in the completion of special effects. In studio photography, the reasonable use of the flash could control the intensity and direction of the light. 4. ** Use of Soft Light Box (Elements that Affect Soft Light Effect)** - In a studio portrait shoot, the usage of the soft box affected the exposure effect. For example, under the same power flash, the larger the light box, the softer the light (the picture may be gray); the more layers of the light box cloth, the softer the light; the closer the light to the subject, the softer the light (the picture is not gray); the lower the light power, the softer the light (the picture is gray); the more the light is deviated from the subject, the softer the light (the picture is gray). 5. ** Exposure-compensation and Exposure-Histogram ** - In Aperture priority, Shutter priority, and P gear, the image would brighten if the exposure compensation was increased, and the image would darken if the exposure compensation was decreased. In the exposure Histogram, the distribution of light and dark is the best when the distribution of light and dark is concentrated in the middle; the distribution of light and dark may be overexposed if the distribution of light and dark is concentrated on the right side, so the exposure needs to be reduced. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to adjust the brightness of the exposure in the studio
You can adjust the brightness in the studio in the following ways: 1. ** exposure compensation **: If the camera has this function, you can manually adjust the exposure compensation to change the brightness in automatic mode. 2. ** Aperture, shutter, and sensitivity adjustment **: - ** Aperture **: The size of the aperture affects the amount of light that enters. The larger the aperture (the smaller the value), the more light enters, and the brighter the image. Otherwise, the image will be darker. When you need a small depth of field (blurring the background and emphasizing the main body), you can choose a large aperture, but you have to pay attention to ensuring sufficient brightness; if you want a large depth of field (overall clarity), you may need a small aperture, and at this time, you may need other methods to supplement the brightness. - ** Shutter Speed **: If the shutter speed is slow, the image will brighten if the light enters for a long time; if the shutter speed is fast, the image will darken if the light enters for a short time. However, if the shutter speed was too slow, the picture might be blurred due to hand shaking or subject movement. - ** Light sensitivity (USB)**: The higher the sensitivity, the more sensitive the image will be to light, and the brighter the image will be. However, high sensitivity may cause noise. 3. ** Lighting adjustment **: - ** Main light **: You can adjust the power of the main light (such as turning on the full light or reducing the power), as well as the distance and angle between the main light and the subject to control the brightness of the subject. For example, it would be brighter if it was close to the subject, and darker if it was far away. - ** Assistant light **: The auxiliary light can be used to supplement the light of the main light. The brightness of the screen can also be affected by adjusting its light intensity (such as turning on 1/2 light or less), as well as the distance and angle from the subject. - ** Contour Light (if available)**: Adjusts the effect on the silhouette and overall brightness of the character according to its power, distance, and angle. 4. ** Test Shot Observation and Illumination **: Take a test shot first, and then adjust the exposure parameters according to the shooting effect to achieve the ideal brightness. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
How to deal with the inaccurate exposure of photos in the studio
Inaccurate exposure in the studio can be dealt with in the following ways: 1. ** Illumination and Usage Prompt Function ** - Use the camera's dimming mode to get photos with normal highlights to avoid exposure problems caused by inaccurate dimming. When looking at the photo playback, you can use the "highlight warning" to see if the highlight area is overexposed, and use the camera's highlight overflow prompt setting to reduce mistakes. 2. ** Adjusting camera parameters ** - Aperture: In the studio, the number of apertures would usually be set at T2.8 or T4, and it would be adjusted according to factors such as proficiency in focusing. If the novice photographer was not familiar with the use of the focus tracking device and could not grasp the focus on time, he could reduce the aperture appropriately and choose the T4 aperture, which could make the focus tracking relatively simple and adjust the exposure. - ** Point of exposure **: After determining the camera position and light control, you need to determine the exposure point (middle exposure point). The position in the scene will be placed at the exposure point according to the atmosphere and content of the performance. Then, the level of the light and dark parts will be controlled according to this exposure point. - ** In terms of format **: You can choose to use the RAW format for shooting. Because the RAW format has a wide color range and a large tolerance, it can retain the color data more completely. It is more beneficial for the situation where the exposure adjustment is inaccurate in the later stage. Even if the exposure is biased, it is easier to process in the later stage. If the scene light is relatively small, the photo can also be used in JPG format, but the effect may not be as good as the RAW format. 3. ** Post-processing ** - If the exposure is not accurate during the shooting, you can put the photo in the RAW format into Photoshop (CC or higher, otherwise you may need to install the Camera Raw plug-in separately) or Lighthouse for processing. If the highlight was overexposed, he could reduce the [Highlight] or [White] values. If he was still overexposed, he could reduce the highlight again in the [Tone curve] or adjust it with [Brush adjustment]. He could also increase [Mist Removal] to make white clouds appear, increase [Black],[Shadow],[contrast], and [definition] to make the photo look sharper, and increase [Natural Saturation] to increase the color density of the photo. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
What was the principle of "Bruckhead" in "Strange Tales from a Chinese Studio"?
"Bruckhead" in "Strange Tales from a Chinese Studio" described the principle that a Bruckhead had comprehended during the process of cultivation. Ya Tou was originally a demon beast that had gradually lost itself in the process of cultivation and was addicted to killing and desire. Finally, he realized that he had lost his humanity and began to seek inner peace and redemption. In "Ya Tou", Ya Tou realized the truth of "human nature is good". He realized that humans had both good and evil sides. Happiness and freedom could only be obtained on the basis of maintaining a kind nature. Ya Tou also realized the principle of "karma cycle", that is, every action will produce corresponding consequences, whether good or evil. Through this story, we can see the importance of human kindness and the need to maintain a good nature and guard against the temptation of evil in the pursuit of happiness and freedom. At the same time, this story also reminds us that the process of cultivation is not to give up on ourselves, but to seek inner peace and redemption on the basis of maintaining ourselves.
What does the principle of Transformers mean?
The Transformers 'transformation principle mainly consisted of two methods: component compression and material transformation. The compression method of the parts was relatively simple. In the compressed form, the parts on the body slid together in a tightly compressed manner, and the internal space was filled. When it changed into the expanded form, the previously compressed parts stretched out, allowing the body to expand. However, in this way, the defensive armor of the Transformers in the expanded form was relatively weak, and it could not achieve the transformation process of large changes in size. The principle of material transformation was relatively complicated. There were very few Transformers who had mastered this method because they needed to have special genetic attributes. Under normal size (such as robot form), the basic atomic components in its body were in a dormant state. When it was transformed into a larger or smaller form, it would complete the reconstruction process of the subatomic particles in the whole body at the same time as the component compression process, achieving the effect of enlarging or shrinking. By splitting or combining the particles according to a predetermined scheme, the volume and density could be changed to suit different needs. "Transformers: Origins" was not enough. Everyone, please click to read the novel!
What was the principle of the Three Lives in Strange Tales from a Chinese Studio?
The story of "Three Lives" in "Strange Tales from a Chinese Studio" deeply involved many aspects such as life, fate, faith, etc. The reason was as follows: 1. Reincarnation: The protagonist of the story, Shi Gongzi, experienced many cycles of life and death with the help of the immortals and finally understood the impermanence and preciousness of life. He realized that everyone's life was unique. He should cherish everything in front of him and not pursue illusory wealth and honor. 2. Destiny in one's own hands: The protagonist of the story, Master Shi, controls his own destiny through continuous hard work and cultivation. Through his own efforts and faith, he finally became an outstanding immortal. He also told us that everyone's life is their own, we must believe in our own ability and face the challenges bravely. 3. The importance of faith: The protagonist of the story, Master Shi, finally understood the true meaning of the immortals after experiencing the cycle of life and death. He realized that faith was the driving force of mankind and the support of the human spiritual world. Only with faith could one transcend the limits of life and death and pursue a higher realm. The story of "Three Lives" in "Strange Tales from a Chinese Studio" tells us that life is full of uncertainty and challenges, but we must believe in our own ability, persist in our beliefs, and constantly work hard and practice. In the end, we can control our own destiny and realize our own value in life.
What does the Three Harm Principle mean?
The Three Harm Principle referred to the tiger, the dragon, and Zhou Chu. According to the records of Shi Shuo Xin Yu and Jin Shu Zhou Chu Zhuan, Zhou Chu was fierce and powerful when he was young, and was called one of the three evils by the villagers. In addition, there was a flood dragon and a white-fronted tiger in the village. They also harmed the people, so they were called the three evils. In the end, Zhou Chu turned over a new leaf and became a famous official.
What does the spiritual principle of the novel mean?
I recommend " What's the Experience of Simulating Immortals?" by the author Foul Xiaohan. This was a light novel-Derivative Doujinshi. The male protagonist, Shen Lue, played a game that simulated immortals and could unlock the God of Death, Thanos, and so on. He often died of boredom, and the NPCs would run away when they saw him. With 280,000 words and 90,000 recommendation votes, his writing style didn't seem like that of a newcomer. The story was creative and everyday. He transformed into a god in the game and entered the mission world. The character interaction enriched the plot. " The Unfilial Son of the Great Tang " was not bad either. It was a historical novel written by Nanshan Hall, a story about the two Jin Dynasties and the Sui and Tang Dynasties. The male protagonist, Li Kuan, was the second son of Li Shimin. He had many roles in the Tang Empire. He was both the unfilial son and the savior of all kinds of people. With the help of the all-rounder system, he could lead the Tang Empire to a relatively comfortable life. It was a book famine, and it had the feeling of the Tang Dynasty's commercial literature. 'The Three Kingdoms Became Stronger After Obtaining Treasures' was created by Quanshan Scholar. Zhang Wu, a college student, possessed a person with the same name and awakened the treasure hunting system. He obtained treasures to become stronger and set up a reasonable first-class book for farming. 'Dragon Clan: He who returned, rebelled against the destiny' was written by Ye Wumian. Lu Mingfei was in the world of the West, experiencing 81 reincarnations and refusing to accept his fate. In the end, the Great Sage Equal to Heaven opened his eyes and he could go home to fight against the destiny. His book list was rated four-and-a-half stars. "I treat you like my childhood sweetheart, but you want to attack me?" It was a novel written by Whispering Millennia. The male lead was Luo Muyun, and the female lead was Xiao Qingyue. The female lead suddenly turned from fierce to clingy. The story was very interesting. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>