Fotodiox Macro Reverse Ring Compatible with 49mm Filter Thread to Canon RF-Mount Cameras - for Reverse Mounting Lenses 20.21$
Fotodiox 52-58mm Macro Close-up Reverse Ring for Nikon, Canon, Sony, Olympus, Pentax, Panasonic and Samsung Camera 12.95$
Fotodiox Macro Reverse Ring Compatible with 67mm Filter Thread to Canon RF-Mount Cameras - for Reverse Mounting Lenses 20.21$
Macro Lens Reverse Adapter Ring, Aluminium Alloy Macro Shooting Reverse Ring Manual Aperture/Focused for Canon EOS Mount DSLR Camera (EOS-58mm) Save 1.11$ 9.34$
Fotodiox Macro Reverse Ring Compatible with 52mm Filter Thread to Nikon Z-Mount Cameras - for Reverse Mounting Lenses 24.09$
Fotodiox 58mm-67mm, 58-67mm Macro Close-up Reverse Ring, Anodized Black Metal Ring, for Nikon, Canon, Sony, Olympus, Pentax, Panasonic, Samsung Camera 15.29$
Fotodiox 49mm-52mm, 49-52mm Macro Close-up Reverse Ring, Anodized Black Metal Ring, for Nikon, Canon, Sony, Olympus, Pentax, Panasonic, Samsung Camera 12.18$