Features The HVL-F43M is a compact flash with a guide number of 43 (meters, 105 mm position, ISO 100). 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. Quick shift bounce function enables you to set the upper or side position easily during bounce flash photography. Equipped with a high power LED light (400 lx, 0.5 m). Brightness can be adjusted to 10 levels. Built-in bounce sheet enables you to create a highlight in the subject’s eyes. This flash unit supports flash coverage to a focal length of 15 mm by using a 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.*