Sharpness in photography
Sharpness in photography was a physical measurement used to measure the quality of the edge of a picture. It could also be called "definition." The quality of the edge was related to the definition perceived by the human eye. It was an indicator of the clarity of the image plane and the sharpness of the edge of the image. From the perspective of imaging, sharpness described the speed at which the image information at the border transitioned. The transition speed of high contrast was fast and could form a clear edge, while the transition buffer existed in low contrast, and the image edge was blurred. The sharpness could be judged by the clarity of the edges and details of the objects in the picture. The higher the sharpness, the clearer the details of the picture. On the contrary, the picture was blurry, the details were not expressed enough, and the edges were not coordinated with the picture. Sharpness was related to contrast. The higher the sharpness, the higher the edge contrast. Increasing the edge contrast would also increase the sharpness. The "sharpening" function in the image processing software used this principle. In photography, different scenes had different requirements for sharpness. When shooting a landscape, one often pursued sharpness to obtain a sense of déjà vu. However, when shooting a portrait, too high sharpness would cause particles to appear on the skin of the character, magnify small skin flaws, and even cause white edges to appear on the edges of the face, hairline, eyebrows, eye sockets, nose, lips, and other black and shadow parts, affecting the image effect. In addition, there were other factors that would affect the sharpness of the photo. In terms of lenses, the sharpness of a fixed-focus lens was generally higher than that of a zoom lens. Because of the large number of lenses in a zoom lens, it was more difficult to design, and it was easy to produce optical aberrations. Moreover, the large number of lenses would reduce the contrast and increase the facula. The fixed-focus lens usually had a larger aperture than the zoom lens. Under the same circumstances, the sharpness of a large-aperture lens was higher than that of a small-aperture lens. In terms of shooting operations, use a high-speed shutter when shooting with a hand-held camera, stabilize the camera to reduce shaking, use a low sensitivity to reduce noise, and focus correctly to make the subject clear.(Automatic focus is convenient and practical, and manual focus can achieve better control when shooting speed is not required), adjusting the photo style to increase the sharpness (can be directly set in the camera photo style), using a wide-angle lens to shoot scenery (large depth of field, large front and back clear range), long-distance shooting (the clear range of the focus can cover the background to make the picture clearer), etc. all help to improve the sharpness of the photo. "The Female Police Officer and the Criminal Organization" is equally exciting. Everyone is welcome to click and read it!
How old are celebrities when they retire?
Different celebrities had different retirement ages. For example, Kemba Walker retired at 34; Yao Ming retired at 31; Liu Xiang retired at 32; Chen Ruolin retired at 24; Lang Ping retired at 25; Deng Yaping retired at 25; Li Ning retired at 26; Zhang Yining retired at 30; Wang Meng retired at 30; Li Na retired at 32; Liu Guoliang retired at 26; Wang Liqin retired at 35. There were also some celebrities like Zheng Peipei who died of illness (at the age of 78, but did not mention whether it was after retirement). For example, 61-year-old Chen Xiuwen's survival was difficult, and it might be related to her living conditions after retirement. In short, the retirement age of celebrities varied greatly depending on the field they were engaged in, their physical condition, their career development, and many other factors. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Brother's birthday is on the 10th.
My brother's birthday is on the 10th. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Are there any deadly animals in the ocean?
What are the good recommendations for the cold wind novels in September?
The search only found a fantasy novel called " The World of Emotions " written by September Hanfeng. It was already completed, but there were no more novels written by him. Therefore, I can only recommend this one. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
He used to be very lazy, how to say it in English
He used to be lazy. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
But I forgot the title of the novel
Based on the information provided so far, it was difficult to determine which novel you had forgotten the name of because there was no hint about the content, character, or genre of the novel. If he could provide more details about the novel, such as the genre of the novel (Wuxia, Xianxia, urban, etc.), the characteristics of the main characters, plot segments, etc., it would help to determine the name of the novel. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
There are Taotie's novels in the immortal cultivation novels that recommend the female protagonist
The following are some recommendations related to the female protagonist in cultivation novels: - " Xianben Chunliang ": The female protagonist is possessed by the Taotie. She looks like a little rascal with average talent and luck. The male protagonist is a bystander. The female protagonist tries her best to obtain immortal cultivation resources. With the characteristics of self-improvement, hard work, and the possession of the Taotie to eat, she finally cultivates to become an immortal step by step. - " The Adorable Beast Arrives ": This is an easy-going, no-CP novel. The female protagonist transmigrated and became a little cub. The genre of the novel is Xianxia's Tale: Classic Xianxia. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Young Master Luo's Song of the Little Taoist
"Little Taoist Descends the Mountain (aka: Song of the Little Taoist)" was composed by Liu Yanjia and sung by Young Master Luo. The song depicted the life of the young Taoist priest. At dawn, before the birds chirped, the young Taoist priest cried and put on his little Taoist robe. After memorizing his homework, he still had to practice sword techniques. He felt that life was boring. Shixiong said that it was lively at the foot of the mountain, but Shifu only allowed him to comprehend Dao, cultivate Dao, and punish him. Therefore, the young Taoist priest packed up his belongings and went down the mountain overnight. He opened an umbrella and set up a stall in Luoyang. He claimed that he was a divine fortune-teller and could help people subdue evil spirits. He asked for 300 gold. "Luo Han's Lyric Collection" is equally exciting. Everyone is welcome to click and read it!
A story novel about accidentally entering the mountains and being locked in a broken house
There was a folk tale from the early Qing Dynasty that involved a plot of accidentally entering a broken house in the mountains. In the story, Tan Feng got lost on his way to the exam and accidentally entered a dilapidated house that had been abandoned for many years. He had wanted to stay here for the night, but a woman came to stay. However, this story did not have any characters locked in a broken house. At present, there was no novel content that completely matched the plot of being locked in a dilapidated house in the mountains by mistake. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Ancient H high spicy novel plot introduction
The following are the plot introductions of two ancient hot novels: - There was an ancient transmigration text, in which the modern female protagonist died of betrayal and transmigrated into the body of a sick lady in ancient times. The female protagonist was a love-struck person, but she had principles. She refused to serve the same husband and only wanted to be alone for the rest of her life. When the female protagonist woke up and saw the young, shy, and pure doctor, she fell in love at first sight. Although her body was poor, she still seduced him every day. The handsome man focused on treating his illness, and the female protagonist focused on seducing him. In the end, the handsome man was taken advantage of, and the two of them promised each other for life. Later, the female master went out of town for an emergency, and the doctor thought she was very sad to be abandoned. The female protagonist later met a handsome man (Prince). After the Prince successfully seduced the female protagonist, because there was another woman in the Prince's mansion, he wanted the female protagonist to accompany him forever. The two of them were in love. In the middle, it was 1vN, and the ending was 1v1. - There was also a story called "Bewitching Gu Yan and His Daughter 1v1, He, High Spicy". The plot was full of ups and downs, and the writing was beautiful, but the specific plot content was not found. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>