INON S-MRS Focus Ring RF15-30

Tailored magnet ring for Canon "RF15-30mm F4.5-6.3 IS STM".
In combination with compatible "MRS EXT. Ring 54", it enables "RF15-30mm F4.5-6.3 IS STM" focus operation.
 
Canon "RF15-30mm F4.5-6.3 IS STM" can drastically reduce minimum focus distance by setting to manual focus enabling to approach to a subject up-close.
Use of this product "S-MRS Focus Ring RF15-30" is the one to get.