Perfect fiiting Follow Focus Gear for the PANASONIC LEICA DG 100-400MM F4-6.3 VARIO-ELMAR lens
Amazon.com: Panasonic Lumix G Leica DG Vario-Elmar 100-400mm F/4-6.3 Power O.I.S. Lens for Micro Four Thirds - with Slik Pro II 4-Section Aluminum Tripod with BallHead, Gunmetal: Electronics
The Panasonic Leica 100-400mm f/4-6.3 OIS on the Olympus E-M10 Mark II