Use the Olympus Quick Auto 310 TTL flash for Olympus OM cameras to increase the light level for getting clear photos. This Olympus flash has a guide number of 34, ensuring that even a distant subject is adequately illuminated. With a recycle time of 0.2-12 seconds, this TTL flash for Olympus OM cameras facilitates high-speed shooting in dimly lit spaces. The Olympus Quick Auto 310 has a flash duration of 1/40.000-1/1000 second which helps you to capture photos of speedy objects even in darkness. What�s more, powered by AA Alkaline batteries, this Olympus flash can be used for longer time.