Leica M to Canon EOS R lens adapter x 1. It takes around 5 to 10 working. (It may take longer for different countries).
eBay
VILTROX 135mm F1.8 LAB AF Full Frame Auto Focus Telephoto Camera Lens for Sony E FE Mount Mirrorless A7R5 A7MIV A7SIII Nikon Z
Aliexpress UK
Applicable lenses: For M42 port lens. 1 Lens adapter.
eBay
Brightin Star 28mm F2.8 Full Frame Mirrorless Camera Portrait Lens Leica M Bayonet M1 M2
Aliexpress UK
It takes around 5 to 10 working. (It may take longer for different countries).
eBay
TTArtisan 40mm f2.0 Full Frame Auto Focus Prime Lens For E / Z / L Mount Mirrorless Cameras
Aliexpress UK
Form factor Mirrorless. 461g lightweight, compact design ideal for travel. Shoot in low light with ISO102,4003 (ext. 204,800) and focus in light as low as -6.5EV4. Stand out with 6K oversampled 4K5 video at up to 60p up to 2 hours6 rec.
eBay
TTArtisan 40mm f2.0 Full Frame Auto Focus Prime Lens For E / Z / L Mount Mirrorless Cameras
Aliexpress UK
Olympus OM to Canon EOS R lens adapter x 1. It takes around 5 to 10 working. (It may take longer for different countries).
eBay
Lightdow Full Frame 85mm F1.8 Manual Focus Portrait Lens for Canon EOS 600D 550D 700D 1300D 6D 7D Sony Nikon DSLR Camera
Aliexpress UK
Canon EOS to Nikon Z lens adapter x 1. It takes around 5 to 10 working. (It may take longer for different countries).
eBay
TILTA for Canon R6 Mark II R6M2 TA-T45-A-B Full Camera Cage for Canon R6 Mark II R6 M2 Half camera cage 15mm LWS Baseplate
Aliexpress UK
Utilizing a newly developed sensor also found in the EOS R6 Mark II, the R8 features a 24.2MP CMOS sensor paired with a DIGIC X processor. Together, this combination provides outstanding stills performance, impressive 4K 60p 10-bit video, and fast autofocus.
eBay
TILTA TA-T78-FCC-B Full Camera Cage for Canon R1 CANON EOS R1 Camera Extended Protection Cage
Aliexpress UK
Applicable lenses: For M42 port lens. 1 Lens adapter.
eBay
Sigma 35mm F1.4 DG HSM Art Lens Full Frame 35mm F1.4 Prime Lens For Canon Mount or Nikon Mount or Sony E Mount
Aliexpress UK