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Flash index power relation

The flash index (GN) is one of the criteria for measuring the power of a flash. It has two kinds of functions: first, the manufacturer can identify the magnitude of the flash power, and the larger the value of the GN, the greater the power. The two is to calculate the aperture size of flash exposure when manual flash photography is taken. The formula is GN = aperture * distance (based on ISO100). For example: when the flash GN value =20 (calculated in meters), and the object distance of 5 meters, the aperture is F4 normal exposure. When the subject distance is 10 meters, the need for F2 to be effective aperture exposure.
When the power of the flash is not enough, you can use the method of increasing the aperture and increasing the ISO. Increasing the aperture increases the brightness, but at the same time the depth of field is affected, so the power gain is generally increased by the addition of ISO.

What brand is a three stand?

Photography equipment ten brands list, three tripod – Photography light – camera box – Photography kits, photographic equipment, what brand, good <2017>!
Manfrotto 1.Manfrotto
In 1972 in Italy, the global photography accessories industry pioneer, for professional photography / movie / Drama / live entertainment and video market design, diffuse photolink Trading (Shanghai) Co. Ltd.
Gitzo GITZO 2.
In 1917 France, photographic equipment industry advanced technology pioneer, has more than in the design and production of the best camera accessories and support 90 years of history, diffuse photolink Trading (Shanghai) Co. Ltd.
3. source
Specializing in the production of professional camera support equipment, the domestic photographic equipment manufacturing best-selling brand, Zhongshan City hi tech photographic equipment industry Co., Ltd.
4. benro Bernal
Photographic equipment, the ten major brands, in 2007 began to get involved in the field of professional photography package, professional photography tripod head by the majority of photography enthusiasts of all ages, Zhongshan benro Precision Industry Co Ltd
5. Weifeng
The world’s major production base of professional tripod tripod, blank new fill the domestic professional three tripod, Ningbo Weifeng eimagephoto Equipment Group Co Ltd
Admiralty, 6.Velbon
Started in 1958 in Japan, the global camera three tripod industry well-known brands, enjoys a high reputation in foreign markets, Zhongshan Wei Bao photographic equipment Co., Ltd.
Lowepro 7.Lowepro
In 1967, the United States committed to the development and improvement of camera carrying systems, photography package industry enjoys a high reputation, agents Foshan Kai Xun Trade Co., Ltd.
Kata 8.Kata
In 1988 Israel, most of its products are designed for a particular class of gear, the international well-known brand series photography package, diffuse photolink Trading (Shanghai) Co. Ltd.
9. chingka VANGUARD
In 1986, we provide a wide range of photographic / photographic accessories products, professional manufacturers, photographic equipment ten brands, Foshan Nanhai Wang Xiang optical electronic products Co., Ltd.
10. photolink Bao Fotopro
In order to focus the spirit of mining photographer needs within a three foot / head / engaged in mobile phone accessories / package / UV photography photography / outdoor photography photography equipment accessories design / production / sales enterprise, Guangzhou Bao photolink photography technology Ltd.

Photography equipment purchase

1, do not over superstition equipment, otherwise it is bound to let you down
Good equipment to help, but the good work is limited, but also is in the picture, special effects (such as ultra shallow depth) show advantages, but a good work is not limited to this, it is in the early and late stage involves all aspects of these advantages alone is not enough. Excessive superstition photography equipment is easy to fall into the trap, I am no exception, this is not a waste of money, it is more important for my photography of the road has deviated – always feel pictures aren’t good enough, because the equipment is not configured in place, attention to toss equipment, not to devote themselves to learning technology and practice, lead to long-term stagnation.
2, in their own ability to buy equipment, do not seek too good
In the digital age, the product has been updated rapidly, and the latest model will soon be out of date, just as some of the camera models I listed earlier are less than ten years old and have been as hard to find as antiques. “The price is too high, as wage earners, limited income, as amateur equipment can not produce economic benefits, if blindly novelty seeking, it may affect the normal living expenses. Besides, photography to spend a lot of places, travel, outdoor, hire models, clothing props need economic support.
3, according to their own shooting theme, shooting style to determine the equipment
If the online published works, the pursuit of high pixel value is to increase the burden on the computer, and a computer upgrade means money; top SLR equipment, often large and heavy, for love travel shooting the man is a burden (especially girls); general people like art creation, high-speed continuous shooting is likely to be idle……
4, try to use simple configuration to achieve their own creation
Carefully handle equipment “temperament” well, will maximize their potential, it is a wardrobe full of equipment more real. Bite off more than you can chew, too much of their equipment, but not only heart, unable to figure out the secret, the last is not to play equipment, play equipment. If you are a photographer who likes to take photos of the location, carrying too many equipment to go out, it also means heavier bags and greater damage probability.

Photographic equipment, origin, brand list

Photography equipment is good, mainly to see the production of parts of various parts of the technology is advanced. Photography equipment, materials, functions and other technology research and development is also very important. Guangdong Province in the scientific and technological aspects of the research is more advanced, Guangdong photography equipment industry has relatively large development platform and space. Jiangsu, Zhejiang and Shanghai provinces are also relatively advanced industries. These areas have advanced research and development, production technology, and a mature production and marketing system, these areas are also well-known photographic equipment. In addition, some of the international photographic equipment, well-known brands choose Shanghai as China’s development base, thereby opening up China’s consumer market.

What brand is a three stand?

Photography equipment ten brands list, three tripod – Photography light – camera box – Photography kits, photographic equipment, what brand, good <2017>!
Manfrotto 1.Manfrotto
In 1972 in Italy, the global photography accessories industry pioneer, for professional photography / movie / Drama / live entertainment and video market design, diffuse photolink Trading (Shanghai) Co. Ltd.
Gitzo GITZO 2.
In 1917 France, photographic equipment industry advanced technology pioneer, has more than in the design and production of the best camera accessories and support 90 years of history, diffuse photolink Trading (Shanghai) Co. Ltd.
3. source
Specializing in the production of professional camera support equipment, the domestic photographic equipment manufacturing best-selling brand, Zhongshan City hi tech photographic equipment industry Co., Ltd.
4. benro Bernal
Photographic equipment, the ten major brands, in 2007 began to get involved in the field of professional photography package, professional photography tripod head by the majority of photography enthusiasts of all ages, Zhongshan benro Precision Industry Co Ltd
5. Weifeng
The world’s major production base of professional tripod tripod, blank new fill the domestic professional three tripod, Ningbo Weifeng eimagephoto Equipment Group Co Ltd
Admiralty, 6.Velbon
Started in 1958 in Japan, the global camera three tripod industry well-known brands, enjoys a high reputation in foreign markets, Zhongshan Wei Bao photographic equipment Co., Ltd.
Lowepro 7.Lowepro
In 1967, the United States committed to the development and improvement of camera carrying systems, photography package industry enjoys a high reputation, agents Foshan Kai Xun Trade Co., Ltd.
Kata 8.Kata
In 1988 Israel, most of its products are designed for a particular class of gear, the international well-known brand series photography package, diffuse photolink Trading (Shanghai) Co. Ltd.
9. chingka VANGUARD
In 1986, we provide a wide range of photographic / photographic accessories products, professional manufacturers, photographic equipment ten brands, Foshan Nanhai Wang Xiang optical electronic products Co., Ltd.
10. photolink Bao Fotopro
In order to focus the spirit of mining photographer needs within a three foot / head / engaged in mobile phone accessories / package / UV photography photography / outdoor photography photography equipment accessories design / production / sales enterprise, Guangzhou Bao photolink photography technology Ltd.

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