G Series 20mm F1.7 Lens,The Panasonic 20mm f/1.7, would I buy this again? - YouTube,Amazon.com : Panasonic LUMIX G II Lens, 20MM, F1.7 ASPH, MIRRORLESS Micro Four Thirds, H-H020AK (USA Black) : Compact System Camera Lenses : ,Panasonic Lumix 20mm f/1.7 Long Term Review - My FAVORITE Micro Four Thirds Prime Lens?,Amazon.com : Panasonic LUMIX G II Lens, 20MM, F1.7 ASPH, MIRRORLESS Micro Four Thirds, H-H020AK (USA Black) : Compact System Camera Lenses : Electronics