Magnetic Step Up Adapter for 58mm to 82mm Magnetic Filters Purpose and function - This is a Magnetic Step Up Adapter that screws into the 58mm filter thread of a lens and enables the use of 82mm magnetic filters. - It converts a lens with a 58mm filter ring for use with 82mm magnetic filters. Compatibility and compatibility notes - Works with 82mm Magnetic Filters from KW. - Also compatible with Wolverine 82mm Magnetic Filters. - Please note: This adapter works only with 82mm Magnetic Filters. Key benefits - Allows 82mm magnetic filters to be used on lenses with a 58mm filter thread, expanding filter options without changing lenses. - Lightweight construction, designed to be unobtrusive during use. Specifications and performance - Weight: lightweight, less than 0.5 oz. Use scenarios - Landscape photography with a 58mm lens when you want to use 82mm magnetic filters such as ND or polarizing filters, avoiding the need for separate 58mm to 82mm step up rings. - Travel or on-the-go shooting where you already own 82mm magnetic filters and want to apply them to multiple 58mm lenses. - Quick filter deployment on set or during field work, enabling fast switching between 58mm lenses while maintaining access to the 82mm magnetic filter system.