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. The GND filter specially designed for the drone, the gradient filter is half transparent and half gray, so as to achieve the effect of light reduction in some areas to achieve a balanced light ratio, and avoid overexposure of highlights 5. Material: Aluminum alloy + optical glass 6. Size: 46x46x7mm 7. Weight: 8g
