Nikon PB-6E brand_Pelican The Rodenstock Rodagon 50mm f2

The Rodenstock Rodagon 50mm f2

not Micro Four Thirds

67mm thread size

The Manfrotto 685B is a kind of fancy air-cushioned monopod with one-handed extension control: instead of unfastening and refastening individual leg locks

Nikon PB-6E brand_Pelican The Rodenstock Rodagon 50mm f2The Nikon PB 6E is a bellows extension for use with the Nikon PB 6 bellows (sold separately), providing a total marked extension of up to 435mm. This extension does not do anything on its own: it needs to be used together with a PB 6 bellows or nothing useful will happen. But if you have a PB 6 and you need extra extension, here's the ticket. In excellent condition.