What Are Anamorphic Lenses, and Should You Get One?
Amazon.com: SmallRig 1.55XT Anamorphic Lens for iPhone and Android, Phone Cinematic Filmmaking Lens Phone Camera 2.76:1 Widescreen Ratio Imaging and Blue Flares Lens by Filmic Pro App-3578 : Cell Phones & Accessories
Amazon.com : SIRUI 50mm F1.8 1.33X Anamorphic Lens for E Mount APS-C : Electronics