Enhance the flash power of compatible Sony cameras using a shoe flash mount that was built to match its power. The Sony HVL-F20S takes the NEX-3, NEX-5, and NEX-C3 models to new heights. Now, photographers do not have to worry about indoor shadows, as the flash bounces an extra dose of flash coverage to the places it is needed most. Alternate between wide range and telephoto settings by simply adjusting the control dial. With simple automated functions, this is the perfect shoe flash for any level of photographer. The ADI Flash Metering System is designed to make seamless adjustments to each capture. It adjusts white balance based on the amount of light it detects, the background, and reflectivity of the setting. Lightweight and durable, protect it with its included soft carrying case.