MCUN
MCUN
UV mirror is also known as ultraviolet filter (UltraViolet), many of us in the industry called MCUV mirror (refers to the meaning of multi-layer coating) the main role is to play to protect the lens, to improve the quality of the picture made. UV mirror is usually colorless transparent, some because of the relationship with the addition of the transparency film, in a particular angle will appear purple or purple-red.
The UV mirror is usually used to protect the delicate lens coating, but this is only one of its subsidiary functions. UV mirror can reduce the blue tint caused by ultraviolet light. Also for digital cameras, it can also exclude the interference of UV light on the CCD, which helps to improve the clarity and color effect. But due to the popularity of CMOS, the sensitivity to ultraviolet light is greatly reduced, so today the role of uv mirror is becoming less and less, the general quality of the uv mirror may sometimes play a negative role.
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