Anti-Reflection Ring for Panasonic 12-35mm F2.8 I or II ASPH Power OIS
Amazon.com : Panasonic LUMIX G X VARIO LENS, 12-35MM, F2.8 ASPH., PROFESSIONAL MIRRORLESS MICRO FOUR THIRDS, POWER OPTICAL I.S. H-HS12035 (2012 Model - USA BLACK) : Camera Lenses : Electronics
Amazon.com : Panasonic LUMIX Professional 12-35mm Camera Lens G X VARIO II, F2.8 ASPH, Dual I.S. 2.0 with Power O.I.S., Mirrorless Micro Four Thirds, H-HSA12035 (2017 Model, Black) : Electronics
Panasonic Lumix G X Vario 12-35mm f/2.8 II ASPH. POWER O.I.S. Lens - 9046 | Gear Focus
Panasonic 12-35mm f/2.8 OIS II Lens – The Camera Exchange, Inc.
The calm after the storm – Panasonic Lumix 12-35mm f/2.8 Review