500mm f6.3 Telephoto Mirror Lens + T2 Adapter for Canon EF EOS DSLR Camera White 653858268971 | eBay
Manual 500mm F8 Telephoto Mirror Lens With T2-eos Adapter Ring For Canon 80d 77d 70d 60d 7d 5d Mark Ii 750d 700d 650d 1200d 100d - Camera Lenses - AliExpress