Freewell 77mm magnetic filter kit brand_Wein but probably stops at mid-sized

but probably stops at mid-sized DSLRs (max capacity is about 1

This is the 7-element version

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

unpartitioned upper section for sweaters or sandwiches or whatever

Freewell 77mm magnetic filter kit brand_Wein but probably stops at mid-sizedThe 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