Camera comparison: Can the iPhone XR's single camera compete with the iPhone XS and XS Max... - iPhone Discussions on AppleInsider Forums
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LNGOOR Cell Phone Camera Lens, 12X Telephoto Universal Clip On hd Zoom Lens Compatible with iPhone 11 Pro Max X XS Max XR/8/7/6/6s, Samsung, Android and Smartphone - Walmart.com
Hands on: Adding a telephoto lens to the iPhone XR with Moment | AppleInsider
iPhone XR Telephoto Zoom Lens - SANDMARC
iPhone XR Anamorphic Lens - SANDMARC
iPhone XR Telephoto Zoom Lens - SANDMARC
Amazon.com: Cell Phone Camera Lens Kit, SEVENKA 18X Telephoto Lens with Remote Shutter, Tripod, Fisheye, Macro and Wide Angle Lens for iPhone 11 Pro Max X XS Max XR/8/7/6/6s Samsung Android Smartphone