Amazon.com : Opteka 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS EF-Mount 90D, 80D, 77D, 70D, 60D, 60Da, 1Ds, Mark III II 7D, 6D, 5D, 5DS, Rebel T8i, T7i, T7s, T7, T6s,
Canon 1,000mm Super-Telephoto Lens Coming This Summer? | Digital Trends
Opteka 500mm / 1000mm f/8 High Definition Preset Telephoto Lens For Canon EOS Digital SLR Cameras Bundle with Opteka 58mm 0.43X HD Wide Angle Lens with Macro & Lens & Filter Accessories (
Will We Be Seeing a New 1000mm Canon Lens in the Near Future?
Canon CINE-SERVO 50-1000mm T5.0-8.9 with PL Mount 0438C002 B&H
Canon 50-1000mm T5.0-8.9 Cine Servo Zoom - Duclos Lenses
500mm (w/ 2X- 1000mm) f/8-32 HD Preset Telephoto Lens for Canon EOS 80D, 77D, 70D, 7D, 6D, 6D Mark II, 5D Mark IV, 7D Mark II, T7i, T7, T6i, T6, T5i, T5,