• A compact flash that provides a flash output with a maximum guide number 42 (105 mm position, ISO 100 • m). • Can be used with compatible lenses to enable ADI (Advanced Distance Integration) flash metering, which is not affected by the reflection rate of the background or subject. • Enables High-speed Sync. • Provides many functions such as bounce flash, manual flash, etc. • This flash unit supports flash coverage to a focal length of 16mm by using the built-in wide panel when the flash is triggered. • Corrects the white balance automatically using the color temperature information.* • Adjusts the optimum flash coverage according to the image sensor size of the camera.* * When Sony digital single-lens reflex camera (other than the DSLR-A100) is used.