Nauticam 6-inch wide angle port with Focus knob
Port for e.g:
1) Panasonic LUMIX G VARIO 7-14mm/F4.0 ASPH
2) Panasonic LUMIX G X Vario 12-35mm F2.8 ASPH. POWER O.I.S.
Includes focus button on side, for changing focus methods. (most often to be using focus)
Does not include the focus gear...