Quick Comparison: Olympus 17mm f1.8 vs. Panasonic 20mm f1.7 - The Phoblographer
Panasonic 20mm 1.7 vs Olympus 17mm 1.8- which is better? - YouTube
Michael's TechBlog: April 2021
Amazon.com : OM SYSTEM OLYMPUS M.Zuiko 17mm f1.8 (Black) for Olympus and Panasonic Micro 4/3 Cameras - International Version (No Warranty) : Camera Lenses : Electronics
TTArtisan 17mm F1.4 APS-C Manual Focus Prime Lens For Sony E a6000 FUJI XF XT1 XS10 Canon ef-m Panasonic Olympus M43 NikonZ - AliExpress
Amazon.com : OM SYSTEM OLYMPUS M.Zuiko 17mm f1.8 (Silver) for OM SYSTEM OLYMPUS and Panasonic Micro 4/3 Cameras - International Version (No Warranty) : Camera Lenses : Electronics
Panasonic LUMIX G 25mm F1.7 ASPH Micro-Four-Thirds mount lens review: Attractive option - DXOMARK
Photographs, Photographers & Photography » Olympus 17mm f/1.8 MFT Zuiko Part II