Canon Is Developing EF 1000mm f/5.6 IS DO Monster Lens
Ultimaxx 500mm/1000mm f/8 Multi-Coated Preset Telephoto Lens Includes Ultimaxx 2.0X Tele-Converter + T-Mount Adapter for Canon EF Mount & Microfiber Cleaning Cloth - Compatible with SLR/DSLR Cameras - Walmart.com
Super-powered 500mm/1000mm f/8.0 Telephoto Lens (White) with 2X Professional Multiplier for Canon EOS Digital SLR cameras and Deluxe Accessory Bundle with Xpix Cleaning Kit - Walmart.com
High-Power 500mm/1000mm f/8 Manual Telephoto Lens for Canon SLR Camera – Ruthy's Outlet
CANON CINE-SERVO 50-1000MM
Canon CN20 50-1000mm Cine-Servo Rental - CINEVO
Is Canon Working On a Smaller, Lighter 1000mm f/5.6 Super Telephoto Lens? | Shutterbug
Canon CINE-SERVO 50-1000mm T5.0-8.9 EF | Zoom Lens
Amazon.com : High-Power 500mm/1000mm f/8 Manual Telephoto Lens for Canon EOS 80D, EOS 90D, Rebel T3, T3i, T5, T5i, T6i, T6s, T7, T7I, T8I, SL3, EOS 60D, EOS 70D, EOS 5D, EOS5D