For DJI Neo CQT Drone Filter, ND4

1. Optical glass lens, high-quality lens grinding process, good physical and chemical properties, so that the image is clearer
2. Slim and lightweight design, does not increase the load of the head
3. Optical glass, multi-layer coating, high-definition imaging, restore the true original colour, more exciting photos
4. Anti-oil and anti-dirt scratches, to provide long-term protection, effectively prevent the lens and drone lens scratches
5. No need to disassemble after installation, does not affect the normal use of the lens cap
6. With inner tray storage case, soft and anti-scratch, delicate care
7. Material: PC, optical glass
8. Individual weight: about 0.5g
9. Attention: only include the filter, not include other

Filter role: (Note: different models of lenses in different light angles will show different colours, the final in kind shall prevail)
- ND scrim: can reduce the amount of incoming light, reduce the shutter speed, to prevent overexposure, the use of coated scrim process, almost no colour cast
- UV protection lens: block ultraviolet rays, protect the lens and sensor, UV filters have the role of eliminating ultraviolet rays, protect the lens against dust and water droplets, improve image clarity
- CPL polarizer: can eliminate non-metallic reflections, enhance colour saturation, make the picture more transparent, improve the clarity and expression of the picture, restore the true colours, make the sky bluer and the water clearer, and is often used to photograph the scene behind the glass, clear and transparent water and underwater creatures, etc.