A bit of history about Canon and catadioptric (mirror) lenses
Patent: Is Canon planning to release catadioptric (mirror) super telephoto lenses?
Canon: new L-series zoom and two telephotos for the masses by Jose Antunes - ProVideo Coalition
300mm F6.3 Catadioptric Compact Telephoto for Mirrorless Cameras – Samyang US
Vivitar 600mm f/8 Series 1 Solid Catadioptric Lens for M42 Screw Mount {35.5 Rear} with T-Mount Adapter at KEH Camera
T Mount 900mm F8 catadioptric lens Starlens SL900F8
Catadioptric mirror lenses: Canon EOS M Talk Forum: Digital Photography Review
300mm F6.3 Catadioptric Compact Telephoto for Mirrorless Cameras – Samyang US
Rokinon Reflex 300mm f/6.3 ED UMC CS Lens for Can 300M-M-BK B&H
Vivitar 600mm Catadioptric Lens on a Canon C100 MkII - YouTube
Tokina SZ SUPER TELE 500mm F/8 Reflex Lens SZMF500-C B&H Photo
Catadioptric system - Wikipedia
T Mount 900mm F8 catadioptric lens Starlens SL900F8
Tokina SZX 400mm f/8 Reflex MF Lens for Canon EF SZXMF400-C B&H
Tokina Annonuces the Releases of 3 New Catadioptric Lenses - Exibart Street
Canon Might Be Planning Super Cheap Super Telephoto Lenses | PetaPixel
300mm F6.3 Catadioptric Compact Telephoto - Rokinon Lenses – Rokinonlenses
catadioptric lens | Martin Pinnau Photography
A bit of history about Canon and catadioptric (mirror) lenses
Amazon.com : Opteka 500mm f/6.3 (with 2X- 1000mm) Telephoto Mirror Lens for Canon EF-Mount EOS 90D, 80D, 77D, 70D, 60D, 50D, 7D, 6D, 5D, 5DS, 1DS, T8, T8i, T7i, T7s, T7, T6s,
Opteka 500mm/1000mm f6.3 Telephoto Mirror Lens for Canon EF EOS DSLR Cameras 388800142848 | eBay
300mm F6.3 Catadioptric Compact Telephoto - Rokinon Lenses – Rokinonlenses
