Shipping starts mid-January 2020.
The package includes two stackable rings which reduce the angle of light for "Macro" and "Super Macro" images.
The larger diameter Macro ring is mounted into the Reduction ring and locks via o-ring friction.
The smaller diameter Super Macro ring is mounted into the Macro ring and locks via o-ring friction.
Macro rings work only in combination with the Reduction ring which can be purchased separately.