Lee PL-Cir circular polarizer (105mm) brand_Olympus Includes a leather case that's

Includes a leather case that's textured like crocodile hide

you'll need this Nikon UR-5 adapter

which is also compatible with a variety of arca-swiss type accessories

The Pocketwizard Plus II Transceiver can be set to send or receive radio signals at distances of up to 488 metres

Maybe this handgrip will come in handy

Lee PL-Cir circular polarizer (105mm) brand_Olympus Includes a leather case that'sThis is a good quality Lee brand circular polarizing filter for 105mm filter threads. Unlike most Lee filters, this one is designed to thread into a lens, not into a Lee holder. In excellent condition, with storage pouch.