This 58mm EOS R mount Macro Lens Reverse Adapter Rings is threaded on one side to fit the filter thread of your lens, the other side is mounted onto the Canon EF R Full Famer body.With the lens being reversed, it greatly increases the lens macro reproduction range capabilities, this saves your cost of buying an expensive macro lens for macro photography.

Steps of use:

1. Take out your lens from your camera body.

2. Mount the adapter ring to your camera body.

3. Reverse your lens with 58mm thread and screw it to the adapter ring until it is tight.

Note: Autofocus, automatic diaphragm (AE metering), and other functions dependent on communication between camera body and lens will be disrupted with this reverse ring mounting on the camera body.

To properly use this lens reverse adapter ring, you have to meet the below two conditions:

a.You have a Canon EF R Full Famer camera

b.You have a lens with 58mm filter thread, below are some of the lens 

Compatible with for 58mm filter thread for your reference: 

EF 22-55mmf/4-5.6USM

EF 100-300mmf/5.6L

EF 75-300mmf/4-5.6IIUSM

EF-S 18-55mmf/3.5-5.6ISSTM

TS-E90mmf/2.8

EF 90-300mmf/4.5-5.6USM

EF-S 18-55mmf/3.5-5.6IS

EF 28-105mmf/3.5-4.5IIUSM

EF-S 55-250mmf/4-5.6ISSTM

EF-S 18-55mmf/4-5.6ISSTM

EF100mm/2USM

EF28mmf/2.8ISUSM

EF-S 55-250mmf/4-5.6ISII

EF-S 18-55mmf/3.5-5.6

EF 28-90mmf/4-5.6Ⅲ

EF 28-80mmf/3.5-5.6IVUSM

EF 70-210mmf/ 4

EF28mmf/1.8USM

EF100mmf/2.8USM

EF-S 18-55mmf/3.5-5.6ISII

EF 70-300mmf/4.5-5.6DOISUSM

EF 75-300mmf/4-5.6I

EF50mmf/1.4USM

MP-E65mmf/2.81-5X

EF85mmf/1.8USM

EF 100-300mmf/4.5-5.6USM

EF24mmf/2.8ISUSM

EF 28-105mmf/4-5.6USM

EF-S 18-55mmf/3.5-5.6IIUSM

EF-S 55-250mmf/4-5.6IS

For Nikon 58mm Lens

AF-SNikkor35mmf/1.8GED

AF-SDX Nikkor 55-300mmf/4.5-5.6GEDVR

AF-S50mmf/1.8G

AF-PDX Nikkor 70-300mmf/4.5-6.3GEDVR

AF-SNikkor50mmf/1.4G

AF-PDX Nikkor 70-300mmf/4.5-6.3GED

AF 28-80mmf/3.3-5.6G

AF-SNikkor50mmf/1.8G

Package:

58mm-EOS R Reverse Mount Ring x 1pcs

(Original Manufactory Package)