The Speedlite 430EX II. The new model offers 20% shorter recycle times, a silent recycle process to minimize distraction and a new quick release and locking mechanism amongst other new features. When attached to an EOS camera the Speedlite 430EX II detects the sensor size and adjusts its angle of coverage accordingly.For maximum flexibility and ease of use, the Speedlite 430EX II incorporates a number of new features. Recycle times have been reduced by approximately 20%, with the recycle process performed silently to minimise distraction. A new metal mounting foot with redesigned connection pins provides ultra-stable communication between the camera and flash; for rapid connection to the camera, a new quick release and locking mechanism is also incorporated. Used in Manual mode, the Speedlite 430EX II offers settings in 1/3 stop increments for increased precision of operation. Plus – when used with compatible EOS cameras – every setting on the Speedlite 430EX II can be controlled via the camera menu system, allowing rapid, intuitive alteration of settings.