Usually colorless, transparent, but some, because the added coating under a certain angle to watch will present the purple or purple-red.
UV mirror's main function is used to absorb under 400 nm wavelength ultraviolet light.
It's able to filter ultraviolet because lenes contain lead, so the UV mirror compared with other same size and thickness of the lens to be heavier.
Prevents loss of sharpness and contrast by filtering out UV rays and Haze; Protects lens from scratches, scuffs and smudges.
.Description:
Name: UV Filter
Size: 55mm/58mm/62mm/67mm/72mm/77mm
Package list:
1*UV Filter
Notes: Please make sure the model matches your device before purchasing.
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