Opticron Marine-3 7x50 Monocular | First Light Optics
ZEISS MONOCULAR 15X60 , GERMANY RARE | eBay
Amazon.com : 7x50 HD PORRO Prism Professional Binoculars for Adults with BAK4 Prism FMC Lens, Waterproof Compact Binoculars for Bird Watching Hunting Travel Stargazing Outdoor with Carrying Case : Electronics