【5- 9 Stops Variable ND Filter 】The ND filter's main function is to via rotating the stops, control the entry of light without affecting the overall color balance, for long exposure, and motion blur techniques in changing light.
【No “X” Cross】K&F Concept utilizes cutting-edge technology with a self-lock filter frame while the filter rotating to the Mini(ND32) or the Max (ND512) will hard stop, the filter support no vignetting on the wide-angle and telephoto lens ( no small than 20mm).
【28 Multi-Layer Coatings】Both sides of the glass with nanometer coatings, are waterproof, reducing the reflectivity coming from the filter surface and the ground, avoiding ghosting, with double side polishing technology helps ensure high definition image quality.
【Imported AGC Glass】Filter made by import Japanese AGC optical glass, CNC-non slip 7.4mm lightweight aviation aluminum frame design preventing wide angle vignetting.
【NOTE】This Filter is compatible with all 49mm lenses. Please verify your camera's lens thread size before ordering. The number is always preceded by a "ø" (diameter) symbol.