How to choose 1? Digital camera lens
Like a digital camera, the lens is also an important factor to determine the imaging quality. The lens first depends on the zoom ratio, which refers to optical zoom. The larger the optical zoom ratio, the larger the size of the scene we shoot, which will bring great convenience to our composition when shooting, which is the same as the zoom lens of a camera. The second is the aperture of the lens. If the aperture is small, even large pixels can't be photographed well in the dark. In other words, it will become digital camera imaging.
2. Charge coupled devices
The pixel of CCD is one of the most important indexes to determine a digital camera. When choosing CCD, we should consider the following aspects:
First, the pixel of CCD basically determines the grade of digital camera. At present, the middle and low grades are generally around 800,000 to 6.5438+0 million pixels, and the middle and high grades are generally above 6.5438+0.2 million to 2 million pixels. Pixel size directly determines the clarity, color and smoothness of the captured image.
Second, quantity. 3CCD is much better than a single CCD camera, because the single CCD uses a single color to restore, and 3CCD uses each piece to restore one color, so that the three pieces are responsible for red, green and blue respectively, which will not cause color cast of adjacent pixels like the centralized restoration of a single piece, and 3CCD is better than a single CCD camera in both anti-shake function and minimum illumination, so it is of course necessary to choose an affordable 3CCD.
Third, the area. Don't underestimate the area of CCD. Other indicators are the same. The image quality of small area CCD is relatively blurred, and the color reproduction richness is also poor. The area used for shaking is also much smaller, and the anti-shake function is of course relatively weak.
Bottleneck. Third, brand, a good brand lens is superior in both imaging quality and light input. Now the better brands are carl zeiss lens and Leica lens.
3. Price
The reason why the price is put in the first place is because everyone basically has a psychological limit price when purchasing a machine. But Xiao Guan wants to remind everyone that two misunderstandings must be avoided in pricing.
First, avoid blindly pursuing low prices. If it does not conform to JS, then lowering the price is equivalent to lowering the performance. If the price is too low, the performance of your recorded material in terms of light and anti-shake will be much worse. As for how acceptable it is, it certainly varies from person to person. In my opinion, ordinary users under 4000 yuan should not consider it.
Second, avoid only pursuing high prices. Too much is not enough, but high prices will definitely improve performance. Here, we should pay attention to whether some performances are suitable for us, and some just improve the quality of photo shooting. For example, Sony's TRV 16E and TRV 18E are different from 750 yuan, but the main difference is that the latter is better than the former in still image shooting. However, if you already have or plan to buy a digital camera, you don't need to buy the latter.
4. Shape and volume
These two indicators are very important for home cameras. Users must focus on these two aspects if they want to play dazzling and convenient. First of all, the appearance of a machine is directly related to whether others will sneer at it or look envious when you use it. 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.
5. Operation menu
Ordinary users may never play with numbers, so the simplicity of the operation menu has become a necessary condition for choosing a machine. At present, the operation menu of most digital cameras is very simple, but if there is really no foundation, there are two kinds of menus to choose from, Chinese menu and touch menu. Needless to say, the touch menu can be operated by pointing to the LCD screen, which is very convenient and suitable for digital beginners.
6. Still image shooting ability
A good digital camera can be used as a digital camera if your requirements are not very high, and the images taken with a camera are sometimes better than those taken with a low-grade digital camera. For example, Sony's DCR-PC/KOOC-0/20E has a maximum resolution of/KOOC-0/360x/KOOC-0/020 pixels, and Canon's MV6iMC still image has/KOOC-0 1024X768 pixels, which should meet the needs of ordinary users. You must pay attention to buying equipment. Although some devices can also take pictures, the images are not recorded on the memory card, but on the DV tape. You shouldn't expect any quality from this camera. If you have the idea of using the camera function, it is strongly recommended not to buy such products.
7. LCD viewfinder
You don't have to turn it off at ordinary times, because you are often familiar with shooting composition, and the machine is relatively large, so it is easy to shake when shooting with the viewfinder. But most users use LCD viewfinder when shooting. In fact, the LCD viewfinder is nothing profound. The main thing is that the brightness should be high enough, the pixels should be large enough, and the larger the area, the better. 2.5 inches and 3.5 inches are popular now, as long as you pay more attention when buying.
8. Accessories
Don't underestimate accessories, which also play a key role in the normal operation of your favorite machine, such as batteries. Generally, the shooting time of the battery is relatively short. If you have a better battery, you can open the viewfinder and take as many pictures as you want. It feels great. I'm using Sony NP-950 now, and it's never been affected by battery problems, because it will take a long time if I don't open the viewfinder. There is also a memory card, as well as various wires (matching with various models of machines), and some machines may have other accessories. Pay attention to check whether all the equipment on the cargo list has been delivered.
9. Guarantee
Generally speaking, the failure rate of digital products is very low. For example, Sony PD- 100AP in Xiaoguan has been in good condition for five years now. But nip in the bud is of great benefit to our use, so I suggest you buy a brand when you buy it, and try to have a maintenance station in the local area, which may be of great benefit to your use.