1. Multi-layer coating filter, high transmittance and high light to restore the true color 2. Using professional optical glass lens, the image is clearer 3. Protect your expensive lens from dust and scratches without degrading photo quality. 4. NIGHT anti-light pollution filter, which can effectively reduce light pollution and make the picture show real color. 5. Material: Aviation aluminum alloy + optical glass 6. Size: 32x7mm 7. Weight: 6.3g
