The Panasonic – Leica 25 1.4 Summilux Lens Review for Micro 4/3 | Steve Huff Hi-Fi and Photo
Amazon.com : Panasonic LUMIX G Leica DG SUMMILUX Lens, 12mm, F1.4 ASPH., Wide Angle, Professional Mirrorless Micro Four Thirds, H-X012 (USA Black) : Electronics
Panasonic Leica 12mm f1.4 DG Summilux Review
Amazon.com : Brightin Star 50mm F1.4 Manual Focus Prime Lens for Panasonic Olympus Micro 4/3 Mirrorless Cameras, APS-C MF Large Aperture Standard Fixed Lens, Fit for LUMIX G7, GX85, GX9, G95, GH5,