Canon EF-EOS R Mount Adapters
Professional mount adapters for using EF/EF-S lenses on RF cameras – Multiple options

Turtledove Diffusers: Canon MT-24 EX Twin Lite Flash2 × $79.00
Macropod PRO 3D & Micro Kit R5 Educational1 × $43,960.00
Escenario Rotatorio para Imágenes Micro / Macro 3D Manual1 × $449.00
Macropod PRO 3D & Micro Kit R51 × $46,910.00
Ruby-throated Hummingbird Tail Feather: 3D Model1 × $59.00
Soporte vertical, pequeño, 7 LBS1 × $349.00
5mm Scale, 027 (calibrated to 0.1mm, 5mm range)1 × $79.00

Professional mount adapters for using EF/EF-S lenses on RF cameras – Multiple options

Canon Tripod Mount Ring and Adapter for RF 100mm f/2.8L Macro IS USM Lens
The base plate is designed to fix the x, y translational stage (not included) and the rotary stage (not included) to a sturdy platform. 
5mm Scale, 027 (calibrated to 0.1mm, 5mm range)

The L base plate is designed to mount samples to the x, y translational stage (not included).

X, Y Translational Stage for Micro/Macro Panoramic Imaging