Freewell 77mm magnetic filter kit brand_Rowi The Asahi 300mm f4 Takumar

The Asahi 300mm f4 Takumar is an old-school telephoto lens for cameras with an M42 lens mount

which is normally mixed 1:3 with water

Solid autofocus performance

Supports up to 18kg (~40lbs)

Freewell 77mm magnetic filter kit brand_Rowi The Asahi 300mm f4 TakumarThe 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