How to choose a camera for family photography

1, brand

It is true that big brands are trustworthy.

First-line brands: Haikang fluorite, Dahua Le Orange and TP-Link.

Second-tier brands: Xiaomi, Huawei, 360

Step 2 use the scene

Take care of the elderly, pets, babies, zoom brackets, garages, farmhouses, shops, supermarkets, studios, factories, villas, doorways, living rooms, etc.

Step 3 show up

Gun machine, ball machine, hemisphere machine, pan-tilt machine

4. Power mode

Power supply, network cable power supply, battery power supply, solar power supply.

5. Power mode

Network cable, wireless, flow card

6. Storage mode

Memory card, NVR, cloud storage

Step 7 solve

2 million, 3 million, 4 million, 5 million, 8 million

8. Lens focal length

2.8mm, 3.6mm, 6mm, 8mm,12mm,16mm.

9, night vision function

Infrared night vision, starlight night vision, full color night vision, black night vision.

10, intelligent function

Human figure detection, face recognition, motion tracking, crying detection, abnormal sound detection, etc.

Haikang fluorite C6Wi flagship model

Hua Le Chengtp7i full color night vision.

TP-LINK alien 4 million dual-camera PC44GW

Xiaomi smart cameras Yuntai Edition pro

Huawei Smart Choice Puffin Smart Camera PRO2K Edition 32G

3.603 billion Yuntai contacts 2K version.

Which is the best home camera?

(1) brand

At present, the DV market is dominated by seven manufacturers: Sony, Panasonic, JVC, Canon, Samsung, Sharp and Eptek, among which Sony accounts for half of the country. Sony is in the leading position in the fields of traditional tape DV, brand-new DVD digital camera and HDV.

Of course, the products of the seven major brands are of good quality and have different functions. Each manufacturer's products have their own characteristics. This must be chosen according to the individual's own needs.

(2) Price

Except for big money, everyone basically has a psychological price limit when buying machines. When pricing, we must avoid only pursuing high prices.

High price will definitely improve performance, just pay attention to whether some performance is suitable for you, and some just improve the quality of photo shooting, such as avoiding blind pursuit of camera static shooting. Generally speaking, it is better to choose a digital camera for still shooting. After all, "there is specialization in the art", and the current static shooting of digital cameras can not fully meet the demand. This part of the money can be completely saved without affecting the performance you require.

(3) Appearance

The machines used by our buyers are generally recreational, so we should consider the appearance. The other is size. Household cameras are generally carried with you when you go out, so it is very necessary to be small and exquisite, which can be carried easily and make room for your other supplies. The most important thing is that you can take any posture when shooting, and you don't have to limit the shooting angle because of people's standing posture.

(4) sensor

1. Charge coupled devices. Most cameras have 800,000 pixels, 6.5438+0.07 million pixels. However, now the overall pixel is improving, and there are more and more cameras with more than 3 million pixels. The area of CCD is also an important index. The imaging quality of small area CCD is relatively blurred, and the richness of color reproduction is also poor. Moreover, the area used for anti-shake is much smaller, and the anti-shake function is of course weak.

2.CMOS .CMOS is a brand-new sensor besides CCD. Compared with CCD, CMOS has the advantages of fast transmission rate, low power consumption and wider dynamic image range. It should be said that CMOS has more advantages than CCD in promoting the popularization of HDV.

3. Is the pixel as high as possible? At present, the pixel number of digital camera consumer products has reached more than100000, while the pixel number of camera products is only about 3 million. The higher the pixel, will the picture quality be clearer? This view is obviously untenable. Because the dynamic pixel of the image sensor is the key to determine the imaging quality of a product.

4. Can have 4 camera functions. Is DV equivalent to a digital camera? Although "one camera can be used for two purposes" is a development trend of digital camera products, the current level of technology is not enough to achieve the perfect integration of the two cameras. Many products only meet the requirements on CCD pixels, but no matter how good they are, they can't compare with real digital cameras, and the photo-taking effect can't compare with real digital cameras. Although some high-pixel DVs can improve their shooting clarity to a certain extent, there is still a big gap compared with digital cameras in terms of image levels and colors. High-pixel CCD sensor does improve the static shooting ability of digital camera to some extent, but there is still a big gap with digital camera in imaging effect. Heavy graininess, lack of layering and dull color are the shortcomings of digital camera static shooting, and three or four million pixels can't avoid this problem. In addition, high-pixel digital cameras are expensive, so the cost performance is not high.

Therefore, it is enough for ordinary families to use a machine with about 800-/kloc-0.0 million pixels for daily family photography, and there is no need to spend thousands of dollars to pursue high-pixel photography. For home digital cameras, we mainly use them as digital cameras. There is no need to demand such a high still image effect. If you have a high demand for still photos, it is more appropriate to buy a digital camera.

What are the skills to choose a home DV camera?

Skills of choosing DV camera for home use. Because the domestic DV camera adopts computer technology, its functions are very comprehensive. As long as you follow the instructions, you can take satisfactory photos. I wish you all a happy shooting. This paper briefly introduces the common sense of household DV camera, in order to let everyone have a preliminary understanding of this new electronic product. Be more rational when buying.

Skills of choosing home DV camera

First, the key points of choosing a good home DV camera:

Choosing a good DV camera for home use depends on your actual needs and consumption power. Sometimes expensive products may not be useful to you, so you must consider the following aspects when buying:

1. It is very important to choose CCD and COMS for home DV cameras. CCD is an important index to judge the safety of domestic DV cameras. It is the photoelectric conversion element of household DV camera, and CCD is called photoelectric coupling device. As we know, the TV picture is composed of countless pixels on the screen, and there are also countless pixels in the CCD chip of the household DV camera, and each pixel is independent: the working unit can independently complete photoelectric conversion, storage, transmission and photoelectric output. A CCD usually has 720×576 effective pixels, which is what we often call a picture with a horizontal resolution of 500 lines.

2. Anyone who has used digital cameras knows that digital cameras also have CCD devices, but the CCD of digital cameras has several million pixels, while DV cameras at home have only several hundred thousand pixels. Why? Both digital cameras and home DV cameras do use CCD chips, and the working principles of the chips are basically the same, but there are also differences between the same chips. This difference comes from two aspects: as long as the domestic DV camera can reach the number of 420,000 pixels of 720X576, it is enough for our domestic DV camera to reach the level of 500 lines.

3. Domestic DV cameras get continuous dynamic images, while digital cameras get relatively static images. China's TV set realizes PAL system every second, and it has to process 25 complete images. The camera is also made according to this requirement, and it must process 25 pictures continuously every second, while the digital camera does not have this requirement. So DV camera and digital camera are different in CCD signal transmission.

CMOS (complementary metal-oxide-semiconductor), called complementary metal-oxide semiconductor in Chinese, is an important chip in computer system, which holds the most basic data of system startup. The manufacturing technology of CMOS is no different from that of general computer chips, mainly using semiconductors made of silicon and germanium, so that semiconductors with N (charged) and P (charged) energy levels are stored on CMOS, and the currents generated by these two complementary effects can be recorded and interpreted as images by processing chips. Later, it was found that CMOS can also be used as an image sensor in digital photography after processing, and CMOS sensors can be subdivided into passive pixel sensor and active pixel sensor.

CCD and CMOS sensors are two widely used image sensors. They all use photodiodes to convert images into digital data, but the main difference lies in the different transmission methods of digital data.

So when we buy home DV cameras, according to our own actual situation, CMOS is enough for general home cameras, because the relative price of COMS DV will be much cheaper, not because the price of CCD is high. This is a misunderstanding. We should choose the right thing and use the right way.

Second, choose the size according to the purpose.

For most consumers, buying a home DV camera is just shooting people and things in daily life. Therefore, when choosing a home DV camera, you should choose a camera with a larger LCD screen. The larger LCD screen is convenient for beginners to use. Middle-aged and elderly friends buy a bigger LCD screen to see the picture more clearly. At present, DV cameras of various brands on the market are equipped with 2.5-inch, 3.5-inch and new 16: 9 widescreen.

Theoretically, the larger the LCD screen, the more convenient it is to use and the higher the price. The LCD screen runs on electric energy, and the larger the size, the more power it consumes. Therefore, consumers who buy large LCD screens had better configure another battery. Generally, the size of household DV cameras on the market is the same as that of cameras with medium focal length lenses used by photographers. There is also a mini camera on the market, which is small enough to fit directly into your coat pocket. Of course, the display on this mini camera is only 2 inches. There are vertical and horizontal household DV cameras on the market, so you should choose them according to your own preferences. When shopping, consumers must choose a camera with good hand feeling according to the purpose of Baiji, which is convenient to carry and operate.

Third, abandon gaudiness and focus on practicality.

At present, the functions of home DV cameras have been very rich. In the manual provided by the manufacturer, we can see the functions of optical zoom, digital zoom, optical anti-shake and electronic anti-shake, which is dazzling and difficult to understand the reality. Most of us consumers are not professionals, so it is difficult to judge which of these complicated functions are useful and which are not. Let me understand and analyze the common functions. First of all, let's take a look. What is the power of the lens? Compare the advantages and disadvantages of optical power and digital zoom.

Optical zoom: the so-called optical magnification of the lens refers to the imaging optical magnification of the camera lens, which is realized by the movement of the lens in the camera lens, that is, the optical zoom of the lens. Therefore, the image quality of optical zoom is clearer and the colors are brighter.

Digital zoom: The so-called digital zoom is the result of local enlargement of the shot picture, and now most cameras are equipped with digital zoom. Take out the middle part of the optical zoom and enlarge it. The bigger your digital zoom, the bigger the image, but this process will reduce the image quality blur. Therefore, the use of digital zoom has a great impact on image quality. It has no special purpose. For example. Comparing the two, we can see that the photos taken by digital zoom are rough.

When many consumers choose home DV cameras, they often take the optical multiple of the camera as the basis for whether to buy them. This is unnecessary, because a camera lens with a focal power of 10 is equivalent to a camera lens with a long focal length of 400 mm It is enough to shoot such a focal power in daily life, and it is not practical to pursue the focal power blindly.

Electronic image stabilization and optical image stabilization.

In the process of shooting, we often feel image jitter because we are not familiar with machine operation or shooting for the first time. This jitter has a great influence on the image quality. Therefore, many camera manufacturers have introduced anti-shake function. There are two ways of image stabilization: optical image stabilization and electronic image stabilization. Optical anti-shake is to use its optical imaging path to smooth this jitter with the help of optical lens. Of course, this smoothing can also smooth the slight jitter with relatively slow frequency. This optical method has little effect on the image quality, and its anti-shake function should be said that the anti-shake range is relatively small, and a little shake can not be smooth when shooting. There is also an electronic anti-shake method, which takes out the middle image as the output image and then uses the edge to compensate. Because of jitter, the image quality will inevitably decrease. Although the electronic anti-shake range will be larger, the impact on the image is relatively small.

Generally speaking, whether it is optical or electronic anti-shake, its anti-shake effect is always limited, and anti-shake also affects the image quality. In order to shoot clearer and more stable images, it is suggested that photographers use a stable tripod to shoot and further improve their shooting skills.

Five, electronic shutter

Another function of home DV camera is called electronic shutter, which is very important in our shooting process. Electronic shutter is unique to CCD camera. Electronic shutter has many advantages. When we shoot moving objects and moving images, it can get better clarity in motion. Especially when we are shooting moving images and doing some special effects, such as slow motion, such as still images, we can get clear and satisfactory image quality through the electronic shutter. Using electronic shutter to improve dynamic resolution.

When we shoot computer monitors with DV cameras at home, stroboscopic stripes always occur. This is because the scanning frequency of computer monitors is different from that of home DV cameras. The solution is to adjust the electronic shutter speed of household DV camera to the same speed or multiple as the display. Six, pay attention to the quality of the attachment

When choosing a home DV camera, we should not only pay attention to the performance of the camera itself, but also pay attention to the quality of accessories, especially the battery. Household DV camera consumes a lot of battery energy during use (supporting the normal operation of motor and display screen). When buying a camera, the random battery usually has a low capacity and can only shoot for about an hour. If it is constantly switched on and off during shooting, which consumes a lot of power, it is best to match the battery with a slightly larger capacity. Its quality is very important. Moreover, consumers buy household DV cameras and install UV mirrors in front of the lenses, in order to protect the lenses from dust and fingerprints and filter out unnecessary light in nature, which is true. Inferior ultraviolet glasses are just like inferior sunglasses worn by people with normal eyes, which make people see things in a blur and blur their vision. Similarly, DV cameras should also be equipped with high-quality UV glasses, and inferior UV lenses on the lens will affect the imaging effect of the original lens.