B+W 58mm MRC 106M ND 1.8 Filter (6-Stop). The B+W 58mm MRC 106M ND 1.8 Filter is a neutral density filter with a 64x filter factor that provides a {stopcount}-stop exposure reduction. Its 1.8 density creates a darkening of the entire image, allowing you to photograph with a wider aperture or slower shutter speed than normally required.
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