Traditional Culture Encyclopedia - Photography and portraiture - What is the difference between a SLR uv mirror and a filter?
What is the difference between a SLR uv mirror and a filter?
1, the UV mirror is also called an ultraviolet filter, which is ultraviolet light. Generally, it is colorless and transparent, but some of it will appear purple or purplish red at some angles because of the antireflection film. Many people buy UV mirrors to protect the precious lens coating, which is actually only an accessory function. UV mirror can weaken the blue tone caused by ultraviolet light. At the same time, for digital cameras, it can also eliminate the interference of ultraviolet rays on CCD, which is helpful to improve the definition and color effect. However, due to the popularity of CMOS, the sensitivity to ultraviolet rays is greatly reduced, so now the role of uv mirrors is getting smaller and smaller, and ordinary quality uv mirrors may sometimes play a negative role.
UV mirror is suitable for shooting in seaside, mountains, snowfields and open areas, which can weaken the blue tone caused by ultraviolet light. At the same time, for digital cameras, it can also eliminate the interference of ultraviolet rays on CCD, which is helpful to improve the definition and the effect of color reproduction.
2. Filters are the cheapest accessories that can obviously change the appearance of photos. As the name implies, the filter has the function of filtering light and plays a role of "seasoning" in photography creation. If you can use filters flexibly, you can improve the performance of photographic works. Using filters in black-and-white photography can change the tone of the scene and make the photo closer to nature. The use of filter in color photography can change the color temperature of light source, the color of the subject or play a special visual effect.
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