77mm Nano-X Variable/Fader ND Filter, ND32-ND521, W/O Black K&F Concept

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K&F Concept ND8-ND128 ND filter with nanosurface treatment

* 【ND Filter Function】The Variable ND filter main function is to reduce the entry of light without affecting the overall colour balance, for long exposure and motion blur techniques in changing light.
* 【No X Cross & frame self-locking technology】Say goodbye to the "X" cross on images with K&F peak technology. The filter will stop when rotating to Mini (ND32) or Max (ND512).
* 【Top optical glass】It is made of optical glass, which balances the light penetration trajectory and ensures that the sharpness of the image is not affected, also reduces glare and ensure HD image quality.
* 【28 Multi-Layer Coatings】Both sides of the glass with nanometer coatings, hydrophobic, reduces the reflectivity came from the filter surface, Waterproof & oil-resistant & scratch-resistant.
* 【No Vignetting】 The frame is made of aircraft-grade aluminium with oxidation sandblasting, avoid stray light from entering, and the thickness is only 7.6mm which can effectively avoid vignetting.