G Series 20mm F1.7 Lens,Panasonic Lumix G H-H020 20mm f/1.7 Aspherical Pancake Lens for Micro Four Thirds Interchangeable Digital SLR Cameras,PANASONIC G 20MM F/1.7 II ASPH (BLACK),Review of Panasonic LUMIX G 1: 1.7 / 20 ASHP. (second version, H-H020A) | Happy,Panasonic (パナソニック) LUMIX G 20mm F1.7 II ASPH. H-H020A-K ブラック