Product Description: Do not settle for less. With a color temperature close to daylight (5000K) and a extended battery life (up to 210 minutes), the Opteka RL-300 surpasses all of the current ring lights on the market.Attaching the Ring Flash to the front of the lens of your cameras enables illumination of subject in Macro close-up photography at a shooting distance of up to approximately 31.5 inches. One thing your camera built-in speedlight may not be able to do.The Automatic Ring Light Macro Flash is the convenient and creative lighting solution for copying documents, medical, dental, nature and small subject photography at short working distances where built-in and conventional flash units are hard to use.
