SVL Step Down Adapter Rings are used to attach our EZ Mount Series Ring Lights (R80, RD80, ODR80, ODRD80, R130, RD130, ODR130, ODRD130, RM75*, RM140*, RMX75*, RMX140*) to the filter thread on camera lenses in order to easily mount Machine Vision Ring Lights securely and centered over your camera lens. Use Step-Down Rings for lenses with filter threads larger than M46, and use Step-Up Rings for lenses with filter threads smaller than M46
*Additional Bracket Required to mount these lights