Panasonic Lumix Leica 15mm f1.7 lens full review with sample image and autofocus test - YouTube
PANASONIC Refurbished (Good) - PANASONIC LUMIX G LEICA DG SUMMILUX LENS, 15MM, F1.7 ASPH, PROFESSIONAL MIRRORLESS MICRO FOUR THIRDS, H-X015 | Galeries de la Capitale
Leica 15mm f/1.7 vs the Pana-cakes | Tyson Robichaud Photo-blography