Ordinary camera lens
Generally speaking, photography lenses could be divided into the following categories: * * 1. Standard zoom lens ** 1. * * Focus range and common models ** - The focal length usually started from 24mm or 28mm, and covered the medium telephoto range of 70mm to 120mm. The common ones were 24 - 105mm, 24 - 70mm, 28 - 70mm, and so on. 2. * * Eligible Groups and Strengths ** - It was a good choice for beginners because most cameras came with standard zoom lenses. It could shoot a wide range of subjects, such as portraits, scenery, culture, and cities. It was easy to use and could meet most shooting needs. Even experienced photographers often used it. * * 2. Telephoto zoom lens ** 1. * * Focus definition and applicable scene ** - Generally speaking, a lens with a focal length of more than 200mm was called a telephoto lens. If you were shooting portraits, flowers, plants, street culture, and other topics, 70 - 200mm f/2.8 and 70 - 200mm f/4 were good choices. If you like shooting birds, lotus flowers, long-distance scenery, and other topics, you need a focal length of more than 300mm, such as 70 - 300, 100 - 400, and so on. 2. * * The camera advantage ** - It had a long focal length and could be shot without disturbing the subject. It could also bring a good blurring effect. It was suitable for street culture, bird hunting, and shooting flowers and plants. * * 3. Fixed focus lens ** 1. * * Commonly seen focal length and advantages ** - Common focal lengths were 28mm, 35mm, 50mm, 85mm, and so on. The fixed-focus lens had good imaging quality and a large aperture. It was very friendly to portraits. 2. * * Disadvantages and suggestions ** - It couldn't be zoomed, and the photographer needed to move to adjust the image. This tested the photographer's skill. If you are interested in fixed-focus lenses, you can try buying cheaper fixed-focus lenses, such as Canon's 50mm f/1.8, Nikon's 24mm f/1.8, 35mm f/1.8, 50mm f/1.8, etc. * * 4. The characteristics of lenses with different focal lengths (135-cm camera lens as an example)** 1. * * Fisheye lens (7.5 - 13mm)** - The camera had a large angle of view and a large depth of field. It could shoot a wide scene in a narrow environment. It could make the depth of the scene have a strong ratio of near to far. The image had a strong sense of perspective, but the image distortion was large, especially at the edge of the image. When shooting at close range, one had to pay attention to distortion. 2. * * Super wide-angle lens (17 - 24mm)** - A large depth of field was good for showing the subject with a large depth. A large angle of view could shoot a wider scene with a long depth of field. However, there was also the problem of large image distortion. 3. * * Wide-angle lens (28 - 35mm)** - It had a certain depth of field and a relatively large angle of view. It was suitable for shooting scenes that required a sense of space. 4. * * Standard lens (45 - 58mm, generally 50mm)** - Its focal length was close to the diagonal of the film frame used, and its angle of view was close to that of the human eye (about 50 degrees). The image quality was relatively high, and it was widely used in various photography. 5. * * Medium and long focal length lens (80 - 135mm)** - It has a good performance in portrait photography and can use perspective to produce special effects. 6. * * Long focal length lens (200mm, 300mm, 500mm)** - The small depth of field was conducive to capturing the image of the combination of virtual and real; the small angle of view could capture a large image of the scene from a long distance, and when shooting objects that were not easy to approach, it could be shot from a distance without interference; the perspective relationship was greatly compressed, and the image distortion was small, which performed well in portrait photography. 7. * * Ultra-long focal length lens (1000mm and above)** - It was suitable for shooting extremely distant objects. * * 5. Aperture of the lens ** - The aperture of the lens referred to the largest relative aperture, which was the largest aperture. It could be divided into large apertures (F1.0, F1.2, F1.4, F1.7, F1.8, F2.0, F2.8), medium apertures (F3.5, F4.5, F5.6), and small apertures (below F8). * * 6. Comparing the image quality of a zoom lens and a fixed-focus lens ** - Under the premise of the same quality and technical level, the image quality of a zoom lens was always worse than a fixed-focus lens. Read more exciting novels for free
What are the meanings of the songs?
The songs that mentioned the meaning were " Men Don't Cry "," Thinking of You in My Heart "," Love Lock "," Ten Thousand I Love You "," Friend's Heart "," Come Home with Me "," Serves You Right "," Best Brother Forever "," You're the One I Can't Leave Forever ", and so on. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
100th anniversary song
According to the information provided, it was mentioned that the 100th anniversary song of the First Middle School of Wuxi City,"We", was composed by Hu Huiqin and Du Yichao, composed by Zhou Xinyi and Du Yichao, and sung by Du Yichao and Chen Hanyu. No other information about the 100th anniversary song was found. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The song before eavesdropping on Wind and Cloud 3
The novel where the female protagonist goes to Fahua Temple
He recommended a few good novels. " Imperial Buddha " was an Eastern fantasy novel written by O Di God. The female protagonist, Lotus, did not want to be sat on by Buddha. She had a series of stories with the male protagonist, Monk. The style was light and funny. 'Demon Lord's New Favorite Concubine, I Can't Be' was Bei Yanfei's work. The male lead was Buddha and the female lead was Lotus. It was the story of the son of the male lead and female lead in 'Half-Calamity Immortal.' It was very exciting. " Female Buddha " was a classical Xianxia novel written by a tabby cat that could fly. The female protagonist, Prajna, became a Buddhist cultivator after her rebirth. It was novel. " Master, Wait " was an ancient romance novel written by a failed author. The plot was novel and novel. The female protagonist did all the bad things and was played by the monk. " Buddhist Monk " was a fantasy Eastern fantasy novel written by the red-robed Vermilion Bird. There was a system for modern young people to dress up as monks, but there were also some tricks. " Buddhist Immortal Cultivation Female Companion " was a classical Xianxia novel written by Mo Xiaodie. The girl lived in the cultivation world with her mobile phone. These novels all had their own unique characteristics and were worth reading. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The hottest foreign singer of 2017
The Top 10 European and American pop songs of 2017 included many popular songs performed by foreign singers, such as Camila Cabello ("Hannah"), Louis Fonsi, Daddy Yanfeng, Justin Bieber ("Despazito"), Rita Ora ("Everywhere"), etc. Other popular foreign singers in 2017 included Ed Sheeran ("Shape Of You"), Bruno Mars ("That's What I Like"), Kendrick Lamar ("Humble."), The Chainsmokers, Coldplay (Something Just Like This), etc. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Shi Hao was so miserable.
Shi Hao had experienced many hardships during his growth. In terms of cultivation, although he had unparalleled talent, the process was full of hardships. For example, when he cultivated the second strand of immortal Qi, his primordial spirit was sucked into the dark cage and faced the danger of his divine soul being destroyed. In the outside world, there were also the Ancient Son, the freak of Heaven, Jun Dao, and others who wanted to destroy his companions and seize his corpse to comprehend the immortal Qi. Moreover, he had also encountered many difficulties in the Immortal-Ancient instance dungeon. Even though he had formed two flashes of Immortal Qi and had extraordinary battle achievements, he had still been targeted by many experts. For example, when he was heavily injured, he had even encountered the covetous eyes of the Heavenly God-tier expert, Ma Yuan. The difference in Life Rating between him and Ma Yuan was huge. He had no chance of fighting head-on. He could only rely on various unique methods to deal with them. In terms of emotions, although the only information he had did not clearly show too much of his tragic emotional situation, when he reunited with Qingyi, he also had mixed feelings of embarrassment, shame, anger, and other complicated emotions. At the same time, in order to create a perfect world for everyone, he had no one to accompany him. From this point of view, it was a lonely and tragic situation. While waiting for the TV series, he could also read the exciting content related to this site!
What is the name of the song that has been sealed in the years
There are many songs that have been buried in the years, For example,"If This Isn't Love,""Outside the Window,""Love You,""Why Would You Hurt Me Heartless,""Young Friends Come to Meet,""Where Peach Blossoms Bloom,""Song of Peony,""Night at the Military Port,""True Love,""How Can I Leave My Hometown,""A Hot-blooded Man," Missing You in the Sky (No Harmony Version),"You'll Never Understand Me,""The Unblockable Missing," To Whom Pieces of Lovesickness Are Given,"" Not Enough Love,"I've Heard That You're Somewhere Far Away,"" If Love Still A <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
The relationship between the three main characters of Harry Potter
Harry Potter, Hermione Granger, and Ron Weasley were the three main characters in the Harry Potter series. They were inseparable at Hogwarts School of Witchcraft and Wizardry, best friends. They had experienced many adventures and difficulties together, supporting each other in difficult situations, giving each other strength in the face of danger, and never abandoning each other when they were in desperate straits. This friendship was an important support for the development of the entire story, and it was also an important part of the precious emotional relationship shown in the Harry Potter series. Harry Potter and the Prisoner of Azkaban wasn't enough. Everyone, please click to read the novel!
A gentleman's words are the nine tripods, what zodiac does it refer to?
A gentleman's word is nine cauldrons, which usually refers to the zodiac dragon. In ancient times, the dragon symbolized the Son of Heaven, and the words of the Son of Heaven were regarded as golden words and jade words. They had great authority and were as heavy as the nine cauldrons. The nine cauldrons were the treasured weapons of the ancient country and were said to have been forged by Xia Yu. However, there were also opinions that the zodiac tiger was also suitable because the tiger was very imposing and spoke with more authority. There were also opinions that the pig, sheep, and chicken zodiac could also be represented. However, in the traditional sense, the zodiac that was most closely related to the gentleman's words was the dragon.
Running, high EQ, humorous sentences
Here are some humorous sentences about running: 1. To me, running is not just exercise, but more like a sweet "date" with a healthier and more energetic version of myself. 2. Every time I run, I feel like a little superman chasing my dreams. Although I don't have a cape, sweat is the symbol of my superpower. 3. As I ran, I thought to myself that the road under my feet must be thinking,'This guy is here to torture me again. But since he's working so hard, I'll cooperate.' 4. I feel that running is like a game of hide-and-seek with calories. I run as hard as I can, and calories hide as hard as I can, but in the end, I always win because I have the secret weapon of perseverance. 5. When I was running, my body said," I'm so tired. Let's take a break." I told it," You don't understand. This is a romantic long-distance run between me and my health." 6. When I started running, it was like starting a fun competition with myself. The finishing line wasn't the main point. The main point was to enjoy this breathless and energetic process. 7. Running was like a one-person party. Sweat was my champagne, exhaustion was my dance steps, and health was the best background music for this party. While waiting for the TV series, he could also read the exciting content related to this site!