1000x20 Compact Monocular Telescope, Portable Handheld Mini Monocular With Smartphone Adapter, Perfect For Bird Watching, Fishing, Travel And Scenery - Temu
Amazon.com : Monocular Telescope, 10x42 Monoculars for Adults, Usogood Compact Portable Waterproof Monocular with Hand Strap, Lightweight Handheld Pocket Telescope for Bird Watching : Electronics
Astromania 12X50 HD K9 Prism Monocular Telescope, Waterproof, Compact Handheld Monoscope, for Bird Watching Hunting Camping