The shutter unit boasts professional graded added durability delivering approximately 200,000 release times**. You'll be empowered with a maximum shutter speed of 1/8000 second, not only for capturing spur-of-the-moment fast moving subjects, but also using a high-speed lens with an open aperture even in outdoors to achieve the desired defocus effect. Both the built-in and external flash can be synchronized with a maximum 1/250 second shutter speed. Splash Proof is a term used to describe an extra level of protection this camera offers against exposure to a minimal amount of moisture, water or dust. Splash Proof does not guarantee that damage will not occur if this camera is subjected to direct contact with water. In order to minimize the possibility of damage please be sure the following precautions are taken: -The Splash Proof feature works in conjunction with the H-HS12035 and H-HS35100 lenses that were specifically designed to support this feature. -Make sure the built-in flash is closed. -Make sure that all doors, socket caps and terminal covers are securely closed. -Make sure that you are in a dry and secure place when changing the battery, lens or memory card. After changing, make sure their protective doors are securely closed. -If this camera is exposed to water, sand or any other foreign material clean it as soon as possible, taking the necessary precautions that the foreign substance does not get inside the camera. -Under no circumstances should you touch or place any foreign objects within the camera or in close proximity of the camera's image sensor. -See user manuals 'Care of this Camera' section for other care issues including Condensation **Panasonic in-house examination