Review: Laowa 17mm f1.8 Lens with Micro-Four-Thirds Mount
Amazon.com : OM SYSTEM OLYMPUS M.Zuiko Digital 17mm F1.8 Silver For Micro Four Thirds System Camera, Compact Design, Beautiful Bokeh, Bright : Digital Slr Camera Lenses : Electronics
Panasonic Leica 15mm f/1.7 vs Olympus M.Zuiko 17mm f/1.8 – The complete comparison - Mirrorless Comparison
Olympus 17mm F1.8 - The Best Prime Lens for Travel? - YouTube