Is it necessary to install a UV mirror when using a SLR at home? Ask an expert for answers

This depends on the usage environment of the camera. If you are not sensitive to image quality and want to sell the lens in the future, it is recommended to buy a protective lens. The price is around 150-200, which is enough, or choose The price of mid-range UV from Nisi or Bogu is around 200--300. No matter how good the UV mirror is, it will affect the imaging. However, the impact of a good UV mirror is relatively small and can be roughly ignored. You can think about it. Countless engineers from the manufacturer have been working on optimizing the lens structure for many years, hoping to develop a lens with a simple structure and outstanding performance. As a result, you suddenly added a set of lenses.

It is recommended to use a lens hood to protect the lens at ordinary times, and to use protective glasses/UV glasses when encountering windy sand, rain or snow, or when photographing children and animals. If the lens is accidentally stained with grease (such as fingerprints), it is recommended to deal with it as soon as possible. You can choose professional lens fluid to clean it. If not, you can also use a lens pen.