K&F Black Mist 1/4 + ND2-400 Variable ND Filter with Double-sided 28-layer Anti-reflection Green Film and Lever Nano-Xcel Series Filter Size:77mm each filter only 1

each filter only 1

and flash exposure lock

Charge your batteries from a laptop

16-Bit Raw Output

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K&F Black Mist 1/4 + ND2-400 Variable ND Filter with Double-sided 28-layer Anti-reflection Green Film and Lever Nano-Xcel Series Filter Size:77mm each filter only 12 in 1 set Multi function ND2 400 & Black Mist 1 4 filter, one filter has two functions, it can be used as a light filter or a black mist filter * Thin frame & large friction The surface of the frame is designed with CNC trapezoidal pattern to ensure a large area of friction when rotating, so you can install remove the lens and other accessories anytime, anywhere. The frame is made of aviation grade aluminum, and the 7. 4mm thin frame design ensures