What is a UV filter? UV mirrors are usually colorless and transparent. UV mirror is ultraviolet filter(Ultra Violet). The main function of the UV mirror is to absorb ultraviolet light with a wavelength below 400 nanometers, without filtering other visible/invisible light. The principle of filtration is leaded glass, so it is relatively heavy. In foggy weather and high-altitude environments, the ultraviolet rays are relatively strong, and the captured images will be covered with a blue-violet hue. Therefore, the addition of a UV mirror can absorb ultraviolet rays, eliminate the interference of ultraviolet rays on the film or CCD, and help improve the clarity of the image and the effect of color restoration. Why use filters? Many friends buy filters by the way when they buy lenses. The filters not only protect the lens, but also have special functions. Do you have a monocular but haven''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''t bought a filter yet? Be sure to hurry up and buy one! Basic filter: UV protector-the filter you must need! The lens is the most important and most expensive equipment besides the body. Some good lenses may even be more expensive than your body! Therefore, protecting the lens is as important as protecting the body. The most important part of the lens is the lens. The most vulnerable part is also the most fragile lens, especially the outermost lens of the lens. Usually accidentally touched or even collided, or even eroded by wind, sand and water vapor. If it becomes moldy, it will cost a lot to send to the factory for cleaning. If the surface is scratched, it will be more troublesome... Therefore, protecting this lens is extra special. Things must pay attention to! Photographers usually buy a UV protective lens to protect the most precious lens, and the UV protective lens can not only protect the lens, but also achieve the effect of inhibiting ultraviolet rays! Why suppress ultraviolet rays? Ultraviolet rays, which are completely invisible to the naked eye, will produce fog, which will reduce the sharpness of the photos and make your images look blurred and unclear. Moreover, there are ultraviolet rays in almost all clear skies on the mountains and the sea, so you absolutely You need to use a handy tool like UV filter to improve the clarity of your image! As long as the lens is installed, it can be used forever without removing it at all! Points to pay attention to when using UV protective glasses In the case that the general requirements are not very high, the effect of the UV lens on the shooting effect is very small. But also note that there are bright lights at night, shooting at the moon or similar environments, please remove the UV mirror, otherwise there will be ghosts caused by the reflection of the UV mirror. Of course, this phenomenon will increase with the coating technology of UV protective mirrors(Proportional to price)And weaken. |