Function: UV filter has two functions, one is to absorb UV ray and weakens the blue tone in images caused by UV, ensuring clarity and color. Another is to protect the lens from dust and scratches. Lens: This UV filter with 28 multi-layer coatings, hydrophobic, scratch resistants. The 99.6% transmission, effectively reduces the reflection from both the ground and the filter itself, ensuring the of images. Prevents loss of sharpness and contrast by filtering out UV rays Helps eliminate bluish cast in images Your camera's lens thread size will be marked somewhere on the lens barrel or underneath your lens cap. This number is always preceded by a "" (diameter) symbol.Please verify your camera's lens thread size before ordering. Material: Glass colour: black Package Contents: 2 x camera lens filter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.