Believe that the SLR understanding of friends, have seen on the e-commerce on a lot of ads on photographic lights. Digital camera sensor element sensitivity to light is very high, if not the intention to feel, you will not know why the human eye is not yet considered a weak light cloudy, the light inside the camera but it will be identified as insufficient light Scene, a variety of Av file, Tv file or P file in the case of the machine lens may minute shutter speed down to 1/80 s or 1 / 60s or even 1 / 30s.

Daytime also have the same lack of shutter speed situation
S-jun said that the actual meaning of this passage is that if you buy the APS-C or the following frame digital camera, without a large aperture lens in the case of poor lighting pictures will definitely have obstacles. The manifestation of this obstacle, in fact, the shutter speed down the picture becomes blurred, had to open a high ISO so that the picture noise increases or the machine is not allowed to lead to automatic white balance color cast.

There are many types of LED lights on the e-commerce platform
Yes, photography is not enough light is a very serious problem. So we need to fill light! Fill light! Fill light! So how to fill light is science, how to fill light to have a professional range? This is really just a wallet problem? Do not worry, let's talk about the two most famous props in the fill light sector - the sun light (or always lit) and flash. Always lit As the name suggests is the use of node-based high-brightness LED as the main light source, these products more shape, ring square stick everything, versatility, still life and close-up portrait and so on no problem, as long as you feel dim Scenes can be used to fill light, can be simply called artifact - the key is also cheap! S king through the e-commerce platform inquiries, most of these types of products are under 100 yuan, really very suitable for general users just fill light.