Kenko Magnetic Mount System Conversion Ring for 77mm Filter Converts Filter to Magnetic Filter 327791 Screw-in

[Attach and detach the filter with one touch using magnetic force] Never miss a photo opportunity again! Kenko's magnetic mount system allows you to smoothly attach, detach, and replace filters using magnets. [Conversion ring that turns a screw-in filter into a magnetic filter] Simply attach the special magnet ring to the lens and filter to quickly attach, detach, and replace the filter. Compatible filter diameter: 77mm *This product is a ring that is attached to the filter side. The magnetic mount system cannot be used with this product alone. Please also purchase the separately sold Kenko magnetic base ring (same filter diameter) that attaches to the lens side. *Since the conversion ring and base ring are used together with the filter, the overall thickness of the frame increases. Vignetting may occur depending on the lens or filter used.