How do consumers choose and use digital cameras? According to the difference of function, structure and image quality, common digital cameras are divided into two categories: non-interchangeable lens digital cameras and interchangeable lens digital cameras. "Non-interchangeable lens digital cameras" can be divided into consumer digital cameras (commonly known as fool cameras) and small professional digital cameras, and "interchangeable lens digital cameras" can be divided into digital SLR cameras and micro-single (or single) digital cameras.
From 20 10 to 20 1 1, the demand for digital cameras in China's consumer market has greatly increased, among which consumer card cameras account for about 75%. 20 1 1 China's digital camera consumer market has entered the era of SLR/micro-single, and major manufacturers have introduced entry-level digital SLR and micro-single to cultivate and expand the consumer market of digital SLR/micro-single. The improvement of camera performance of 20 12 mobile phones began to affect the sales of consumer digital cameras. Major manufacturers continue to improve the performance of SLR/micro camera, while reducing the production and sales of low-end consumer card digital cameras.
Judging from the current market share of brands, the competition of digital camera brands is highly concentrated, and the expected purchase rate of consumers of Canon, Samsung, Sony, Nikon, Olympus and other brands has reached over 80%.
With the intensification of market competition, from 20 1 1 to 20 12, the functions of digital cameras are further subdivided, and digital cameras without mirrors and interchangeable lenses are gradually subdivided and gradually become a climate. The telephoto camera market is developing in two directions: the zoom factor of the flagship telephoto camera is upgraded, and the portable telephoto camera continues to lose weight. Starting from 20 1 1, with many manufacturers marching into the micro-camera camp and competing with entry-level SLR cameras, micro-cameras have gradually become the focus of consumers' attention.
At present, there are JB/T 10362-20 10 digital cameras, GB/T 29298-20 12 general specifications for digital (code) cameras and JB/T 10362-206544.
With the increasing popularity of digital cameras, the quality of digital camera products has been. Consumer complaints are hot, and the quality inspection department also attaches great importance to the quality and safety of such products. For the problems found in the national supervision and spot check, consumers should pay attention to the following problems in purchase and use.
1. Image quality
There are many reasons that lead to the unqualified imaging quality of digital cameras, such as design defects, assembly errors, excessive impact during transportation, excessive falling, serious moisture and so on.
2. Finder performance
The most common problem of viewfinder performance is position deviation, that is, the image range seen by viewfinder is very different from the actual image range, which leads to the incomplete picture.
battery
Although the unqualified battery looks little different from the regular battery, it lacks proper protection design and device, and is prone to explosion, liquid leakage, fire and other dangerous phenomena under the conditions of high temperature, vibration, overcharge, etc., causing property losses and even personal injury to users.
4. Size of power plug
This project is to test whether the power plug part of in-line equipment meets the standard requirements of GB 1002. Only under the premise that the plug size fully meets the standard, the plug and socket will have a good cooperation. If the plug and socket are not well matched, it will cause the danger of poor electrical contact or accidental contact with the plug.
The skill of choosing and using 1. How to choose a digital camera?
In a word, digital SLR cameras are suitable for photographers, professionals and enthusiasts. Although there are many digital SLR cameras under the banner of low price at present, after all, the money consumption of digital SLR is not in the purchase process, but in the years after purchase (a lens that attracts you may cost two bodies in the future). Therefore, if you want to play digital SLR cameras (or micro-single cameras), you must be prepared for a protracted war.
2. Purchase of batteries
The design and manufacture of lithium-ion batteries used in digital cameras are high-tech. Usually, protection circuits are used to protect them from overcharge, overdischarge and overcurrent, and protective elements are installed to cut off overcurrent.
In addition, products leaving the warehouse after 20 12 and 12 will have corresponding altitude safety tips, which are only applicable to power adapters and chargers below 2000m. If consumers need to travel in high-altitude areas with cameras, they should pay attention to whether the digital cameras and accessories in their hands meet the altitude requirements when purchasing and using them, so as to avoid unnecessary losses and possible injuries.
3. Select the original power adapter and charger that meet 3C certification.
In order to ensure the safety of use, consumers are strongly advised to use the original power adapter, charger and original battery of digital camera, and pay attention to whether there is national 3C certification on the charging device. You can log on to the compulsory certification website to check the authenticity of the model certificate.
4. Maintenance and maintenance in daily use
(1) Avoid water. The biggest enemy of digital SLR cameras is the erosion of water vapor. Inadvertently entering water or being exposed to humid air when not in use for a long time will cause different degrees of corrosion or oxidation to internal electronic components.
(2) Shock absorption. When shooting, try to hang the camera belt around your neck. When placing the camera, you should find a stable place to place the digital camera to prevent the camera from slipping because of the unstable bracket.
(3) avoid dirt. Too dirty lens will affect imaging, improper internal protection of lens barrel will also lead to dust accumulation, which will affect CCD sensitivity, and too much liquid crystal dirt will also affect visual effect.
(4) Avoid temperature difference. The storage of digital SLR cameras needs to avoid high temperature or cold environment and exposure to air.
(5) protect the lens. Please cover the lens when you are not using the camera to avoid being scratched by dust and foreign objects. The mechanical transmission device of retractable lens is fragile, so external impact and extrusion should be avoided as far as possible.