There is a saying in the folk saying: "A litchi three fire, eclipse is not much pound pear." After the fall, it is a good season to eat pears. Visit the markets around the market, morning markets, supermarkets, fruit stalls filled with a variety of pears, eat in the air after a dry autumn and autumn, not only meditation thirst, but also Qingfei Runzao. But do you know what are the characteristics of different varieties of pears? What are the pears?

1. The most health: snow pear.

Snow flesh and white flesh like snow as frost, but also because pear white and flawless, resembles snow, it is called snow pear. Among the common pears, it is the largest, and each can reach about 350-400 grams. Snowflake Pear is relatively rough surface, there is wax on the peel, the meat is fine and brittle, the juice is sweet and tasty, and it is the most famous in Hebei Zhaoxian. Snow pears have a long shelf life, and autumn harvests can be stored in the spring. When the weather is dry in autumn and spring, buy some snow pears to go home and eat or boil a bowl of rock sugar pear water directly. You can have pure heart and lungs, cough and run dryness, which can be described as good health products.

2. The most solution tired: pear.

It is succulent and succulent, sweet and resistant to storage. Pear fruit has an inverted ovoid shape with a duck-headed bulge at the top. The avocado peel is generally yellow-green and pale yellow after storage. The bagged fruit is yellow-white, also known as crystal pear or crystal pear. Pear sugar is low, sweet and refreshing. After eating greasy things, I would like to eat some fruit to solve the problem. It is right to choose it. Botou, Hebei, Shandong Yangxin's most famous.

3. The sweetest: Golden pear.

"Speaking of the golden pear, my heart is as sweet as honey." The prominent feature of the golden pear is sweetness. Don't look at it. The peel looks yellow and green. It looks green and sweet. The sweetness of the flesh is "a group of pears," and its fruit shape is correct. The delicate meat is the nobleman in the pear. Its storage time is short, and the best food consumption at room temperature is only about 10 days.

4. The most delicious: Nanguo pear.

Don't look at Nanguo Pear's small fruit, but it not only has the pretty face of Northeastern girl, but also has the strong taste of Northeastern girl. The Nanguo pears picked up in the house for 7-10 days will be full of scent. The meat will also be soft and easy to dissolve in the mouth due to its coarse and astringent taste. Nanguo pear is produced in Liaoning and is most famous for its production in Anshan and Liaoyang.

5. The most crunchy: pears.

Pear originates from Lushan, Anhui province, and is now the largest pear variety cultivated in China. The fruit is nearly cylindrical, with large and numerous fruit spots on the fruit surface, yellowish-green, and the bagging fruit is yellow-white, crunchy and juicy, and resistant to storage. The best quality is produced in Xinjiang and Shanxi.

6. The most soft: Yantai pear.

The scientific name is Wujixiang, the peel is greenish yellow, and the fruit shape is a bit like a wood bottle in a bowling game. After a few days of storage, the fruit becomes soft, with less juice, sweet and sour taste, suitable for the elderly and children to eat, intolerant of storage.

7. The most Beijing flavor: Beijing Bai pear.

Jingbai Pear, originally produced in Mentougou, Beijing, has been cultivated for more than 200 years and is the only traditional fine variety originating in Beijing. Jingbai Pear fruit is small and flat, which is commonly known as "Chang Ping". Slender handle, easy to lose water, become dull, so it is also called "iron to pear." The Beijing Bai Pear Peel was yellow-green when it was freshly picked. After being put in the room for 5-7 days, it turned yellow and the flesh became soft and juicy. The flavor was pure and sweet. It was one of the most representative Beijing fruits.

8. The most famous: fragrant pears.

Fragrant pear Korla fragrant pear is a special product in China's Xinjiang region. The fruit is small, spindle-like or obovate. The peel is greenish yellow and the sun is flushed. The skin is thin and crisp, sweet and delicious, resistant to storage and transportation. Korla fragrant pear is one of the major pear varieties exported by China. It is exported to North America, Europe, and the Middle East, and is famous both at home and abroad.

9. The most up-and-coming: early morning testotherapy.

As early as in July every year, the new pear varieties imported from abroad are listed in the country. The fruits are gourd-shaped and purple-red. After ripening (storage mature under certain conditions), the color becomes bright red, the flesh is delicate and soft, sweet and juicy. As early as the year of the year, Hongka Mousse was brightly colored, fruit-shaped and rich in flavor, and was named “Queen of Flavour” in the national pear variety competition.

10. The most juice: Yulu fragrant pear.

Yulu fragrant pear is the most newly developed pear variety in China. Its fruit is oval in shape, with a yellow-green peel and a red or dark red stripe on the sun's surface. The skin is very thin and the core is small. The flesh is white, tender and crisp, with extra juice, sweet and fragrant taste. When the fruit is stored on New Year's Day or the Spring Festival, the quality is the best.

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Lamp panel
The lamp panel is divided into ordinary infrared lamps (Dingyuan and Guanglei) and array lamps. The array camera is also divided into 1W, 2W and 3W. Therefore, when choosing infrared lamps, if it is an ordinary infrared lamp, try to choose Dingyuan and 3W array lamps. Since the appearance of infrared lamps is generally invisible, some cottage cameras are filled with Guanglei and 1W array cameras are filled with 3W array cameras. Therefore, try to choose a large brand when choosing cameras.
Maximum Aperture
The real value of the maximum aperture is to improve the light intake under low light conditions, so as to achieve the best exposure combination. In general, the ability to visualize the lens is not required for shooting landscapes. In addition, the lens caliber is not required for shooting landscapes except in particularly dark places. However, when the 70-200mm zoom lens is equipped with a 2-fold zoom lens to make the telephoto section become 400mm and AF is used for automatic focusing, it is better to choose a lens with the largest aperture of F2.8. Large aperture is conducive to accurate focusing in dark conditions. When shooting people with a large aperture lens, even in places where the light is weak, the handset can also use natural light to shoot. In addition, the lens with the largest aperture can bring fast shutter speed, so sports photography also needs a large aperture lens.
Another reason for requiring the lens aperture to be large is to be able to visualize the background freely and ensure the quality of visualization. When the aperture of the lens with the maximum aperture of F1.4 is reduced to F2, both the imaging quality and the blurring quality of the background are better than those of the lens with the maximum aperture of F2. Therefore, it is of great value to reduce the aperture of a large aperture lens by one stop. Any photographer should be good at using the lens.
focal length
The first thing to pay attention to when selecting a lens is the focal length of the lens. In fact, focal length is a matter of perspective. Different focal lengths and perspectives are different. In addition, users should be clear about what is the main purpose of buying lenses? Is it for scenery or people. As we all know, it is better to use a wide-angle lens when shooting landscapes, and a telescopic lens when shooting people. Therefore, you should first decide the focal length of the lens you want to buy according to the purpose of photography.
The best focal sections for shooting scenery are 24 mm wide angle focal section and 200 mm telescopic focal section (both are based on 35 mm specifications, the same below). When the wide-angle focus segment of the standard zoom lens evolves from 28mm to 24mm, the viewing angle becomes larger, and the range of scenery that can be stored is greatly expanded. Generally speaking, the maximum aperture of the lens is not required for shooting landscapes. If you are mainly shooting landscapes, a wide angle focal length of 24mm is basically enough when you select a zoom lens. As for the telephoto section, it must be at least 200mm. If the telephoto section is 300mm or 400mm, it is more ideal, and the degree of freedom will be greatly improved. The telephoto focus segment of traditional zoom lens is 300 mm, which is 450 mm for digital SLR. The focal length has been expanded by 1.5 times, which makes it more enjoyable to use. This is the value of digital SLR. The wide-angle focal section of the digital special ultra wide-angle lens produced is generally 12mm, equivalent to 18mm of 35mm, which is nearly 1.5 times larger than the 28mm focal section of 35mm, thus greatly widening the left and right range of the scenic scene.
The best focal length for shooting people is 85mm. In terms of 35mm standard, 85mm focal length is basically used as the standard for shooting characters. The portrait taken by the 85mm focal section is basically close to the picture effect taken by the medium frame camera. It is not only suitable for the distance, but also the face of the person looks very natural. The distance between the camera and the person being photographed can basically be kept at the normal speaking distance. The 85mm focal length can also effectively blur the background and prominent characters. In order to obtain good visualization effect, the lens with the largest aperture should be selected. The 85mm focal length is about 135mm on the digital SLR. Although the sense of distance of the shot is a little weak, it is basically OK, so the focal length of the person lens should be at least about 85mm.
A 100mm macro lens is enough for traditional SLR to shoot flowers. The 100mm macro lens can be used for equal magnification photography, which can make the flowers very large. However, when taking equal magnification photography or near equal magnification photography, due to the depth of the long focus scene, it is easy to shake, so anti shake measures should be considered when taking photos. From this point of view, 50mm macro lens is easier to use on digital SLR.

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