2. Use professional imported optical glass lenses to make the image clearer
3. Protect your expensive lens from dust and scratch while not lowing your photo quality.
4. UV filters reduce haze and improve contrast to your video and digital images. Especially useful in areas of high altitude, snow, or beach, eliminating the undesirable blue cast. High level of transmittance
5. Material: Aluminum Alloy+optical glass
6. Size: 3.0×2.5×1.1cm