77mm ND4-ND64 (2-6 Stop) Variable ND Filter and CPL Circular Polarizing Filter 2 in 1 with 28 Layers of Anti-reflection Green Film, Two Orange Levers Nano-X Series
SKU: KF01.1917
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An automatic mode that automatically adjusts the shutter speed may be active in the camera. When using ND filters, please always try to turn on manual mode so that the camera doesn't try to compensate for the lack of light itself by adjusting ISO or shutter speed.
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No, the pin is fixed.
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The filter only has a thread to screw it onto the lens.