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Canon EOS-R 2" UltraWide Prime Focus Telescope Adapter - EOS R6, R5, R3, Ra, Rp, RF
Canon EOS DSLR (EF-EFS) Premium Telescope Camera Adapter Kit (1.25") - TelescopeAdapters
T2-RF For T / T2 (M42x0.75) Telescope - Canon RF Mount Adapter Ring T2-EOSR T2-EOS R EOS RF for Canon R3 R5 R6 R7 R10 R RP etc.
Canon ACK-E18 AC Adapter Kit for Canon EOS RP, EOS 77D, Rebel T6i/T6s/T7i 0073C002
Amazon.com : Pomya Telescope Adapter Ring for Camera, Professional 48mm Aluminium Alloy 2 inch Telescope for Canon Lens Converter, Camera Telescope Adapter Ring for Canon : Electronics
Lens Adapter Astro Edition - 48mm T-Mount Wide Field to Canon EF/EF-S Cameras – Fotodiox, Inc. USA
Amazon.com : Celticbird 1.25" Telescope Camera T-Adapter (T-Mount) with Camera Adapter (1.25" T-Mount for Canon EOS) : Electronics
T2-RF For T / T2 (M42x0.75) Telescope - Canon RF Mount Adapter Ring T2-EOSR T2-EOS R EOS RF for Canon R3 R5 R6 R7 R10 R RP etc.
Opteka T-Mount for Canon EF EOS 80D, 77D, 70D, 60D, 60Da, 50D, 7D, 6D,
Fotasy Olympus OM Lens to Canon Adapter, Infinity Focus, Compatible wi – RainbowImaging
Amazon.com : SVBONY T2 T Ring Adapter, Metal 1.25 inch Telescope Accessory, Compatible for Canon EOS Cameras Photography Dedicated CA1 Sleeve Extended Cylinder for Telescope : Electronics