Freewell 77mm magnetic filter kit brand_Wein This is the 7-element version

This is the 7-element version

extra holding ability on glass

Vivitar 2x Macro Focusing Teleconverter for the Olympus OM manual focus lensmount

though the light meter is not working

Magnetic clasps

Freewell 77mm magnetic filter kit brand_Wein This is the 7-element versionThe Freewell magnetic filter system starts with a slim magnetic filter holder that threads into your lens in this case, 77mm. Filters and lens caps then snap right on, held snug by built in magnets. This kit includes one filter adapter for 77mm lenses, one UV filter, one GND1. 2 (4 stop) graduated ND filter, and magnetic cap. Please note: The UV filter is an "alternate" filter holder: it can be threaded to the lens and serve as a base for other