It is with great excitement that we introduce the Canon Macro Ring Lite Mr-14EX Ii, a pinnacle of innovation for Eos quality close-up photography. This device is expertly designed to work seamlessly with Canon's Ef Macro lenses, elevating the art of macro photography to new heights. As the most advanced macro flash produced by Canon to date, the Mr-14EX Ii boasts a robust Guide Number of 34.4 ft./10.5m at Iso 100, ensuring ample illumination for the finest details.The twin-tube design of the Mr-14EX Ii is a testament to its versatility, allowing each flash tube to operate independently or in unison, providing photographers with unparalleled control over lighting conditions. The integration of sophisticated white Led focusing lamps and dual modeling lights further enhances the user experience, enabling precise and effortless previewing of potential lighting effects.