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FAQ

SLR camera outside the lens can not wipe with a paper towel

Seemingly soft paper to clean the lens, because these paper contains a relatively easy scratch coating of wood pulp, will seriously damage the camera lens on the key coating.

Digital camera after the start of the lens telescopic non-stop

The lens is certainly a fault, and their repair can not, if the repair is not here to ask, in this tell you, you can not get, find the camera

I SLR camera lens focus is not normal

From the landlord to see, it should be 18-200 mesh is too long, the quality of the general focus of the car, in the infinity of the focal length of the process to the need to stretch a relatively long time. Need patience to adapt will not be their own problems. But if the display focus is normal, but after shooting found that focus on the focus, that is, there is running the problem, and need to do the test. In addition, non-original lens on the focus of most of the focus and zoom speed should be less.

Why are SLR cameras so expensive? Are you there?

Is said to be high precision, advanced production equipment and so on. The The The The In fact, SLR lens price is high because the SLR camera operation is complex, and now people are lazy, most people choose to use a fool camera. Believe that if I SLA popular, the market demand, we can definitely produce a small workshop, what "high precision, advanced production equipment, high technology content" are clouds, I do not believe it is not a big price.

What is the foot ring of the camera lens? What do you use

Tripod ring is a telephoto, wide-angle large-diameter lens, telescope set of a metal ring, used to fix the lens in the tripod (monopod, shaped tripod, etc.) on the device, so called the tripod ring, so Do not have to hold the camera, but the lens fixed to the tripod to shoot, to ensure that the shooting when the stability.

SLR camera lens is a unified standard?

SLR use what the main lens to see what he used bayonet, that is: what bayonet camera, what can be used to mount the lens. At present, the mainstream interface is also a few camera manufacturers: Japan's Nikon mouth, Canon EF mouth, Pentax K mouth, as well as Olympus, and Sigma's SA mouth, and Sony's Mi Mina A mouth. Buy SLR lens first look at the brand, the second is to see technical indicators, that is, the parameters of the lens. By brand: Canon, Nikon, Pentax, Sony, Olympus ... ... According to focus classification: ultra wide angle, wide angle, in the coke, telephoto, super telephoto ... ... By purpose classification: scenery head, portrait head, macro head ... ...

In the camera lens, 1 / 2.3 inch means what it means

1: in the camera lens, 1 / 2.3 removed in., The meaning should be the lens aperture 1 / 2.3 that F2.3. 2: 1 / 2.3 inch, as Lou Sheng said nothing to do with the lens, refers to the size of the camera photosensitive components. Ie diagonal length is 1 / 2.3 inch (11 mm). The aspect ratio is generally 5: 4.

Card camera lens dirty, how to clean up?

Second, rub Blow the dust and then do wipe. Generally for a watermark, stains, as soon as possible in time to clean up, like saliva or acid, alkaline rain stains on the film have a slight erosion, a long time may damage the membrane surface. Clean the way the lens is a breath, with the lens paper in the lens surface to clockwise or counterclockwise one direction to rub, must not rub back and forth, wipe the point is: light into, slightly wipe, and then light up as a process, And rub a process, we must change the site and then rub. Suede is a good lens wipes, but the quality of artificial suede, do not use the good. Natural suede if there are parts hardened, must not be used, easy to scratch the lens. The current consumer DC lens is very small, with the lens paper or suede are not necessarily able to wipe, rub the whole, recommend the use of special lens pen, one end of the brush, used to brush off the dust; the other end of the Run suede head, the area is very small, but the use of good results, can be used to wipe the small lens on the mark stains, and large mark on the stains do not need to do a large area of ??wiping, the only drawback is the price Partial expensive, cheap 50 yuan or so, good quality about 200 yuan.