Kenko Magnetic Mount System [Base Ring] A ring that converts screw-in filters to magnetic. ※ This page is for the "Kenko Magnetic Mount System Base Ring 82mm" (single item). The "Magnetic Mount System" is a filter system that allows for instant attachment and removal of filters using the power of magnets. By using the "Base Ring" and "Conversion Ring," you can convert your existing screw-in filters to a magnetic attachment type. The "Base Ring" attaches to the lens, and the "Conversion Ring" attaches to the filter. The magnetic attachment allows for quick filter work. ※ The "Base Ring" and "Conversion Ring" are sold separately. ※ All images are for illustrative purposes. Other sizes may be used. [Kenko Magnetic Mount System] ■ Base Ring By using it with the Magnetic Mount System's conversion ring, you can convert your existing screw-in filters to a magnetic attachment type. The base ring attaches to the lens. ※ You cannot attach a filter to the lens by simply attaching this product. Please purchase the "Kenko Magnetic Mount System Conversion Ring" separately. ■ Conversion Ring By using it with the Magnetic Mount System's base ring, you can convert your existing screw-in filters to a magnetic attachment type. The conversion ring attaches to the filter. ※ You cannot attach a filter to the lens by simply attaching this product. Please purchase the "Kenko Magnetic Mount System Base Ring" separately. You can quickly attach and remove various effect filters. Convenient for attaching and removing the Kenko Night Focus (a focusing tool for focusing on stars). [How to Use] 1. Prepare the Magnetic Mount System base ring, conversion ring, and commercially available screw-in filters. 2. Screw the base ring onto the lens. 3. Screw the conversion ring onto the filter. 4. Attach the filter to the lens using the power of the magnet. [Precautions for Use] Since the conversion ring and base ring are used in conjunction with the filter, the overall frame thickness increases. Vignetting may occur depending on the lens and filter used. ※ This product does not require shipping fees, but will be shipped via Nekopos (Yamato Transport's mail delivery service). Our store usually offers free shipping for orders of 3500 yen (excluding tax) or more, but if you purchase items other than those with free Nekopos shipping at the same time and the total amount is less than 3500 yen (excluding tax), a separate shipping fee will be charged. Please understand. Nekopos delivery is delivered to your mailbox, so delivery date and time cannot be specified. Product number: 4961607282625