The Sony HVL-F45RM Flash is a powerful combo flash/LED unit with built-in wireless control (when paired with either a second flash or a Wireless Radio Receiver). With a bright Lcd back panel that lays out all your settings in a tabbed format, navigating your settings is easier and more intuitive than in prior models. This flash is equipped with through-the-lens (TTL) metering, which will measure the amount of light coming into your lens and adjust your flash settings accordingly ideal for fast-paced events and weddings. Sony's Advanced Distance Integration (ADI) will help you maintain correct exposure even in super reflective or dark environments. Other key features of this flash:

• A fully articulating and zooming head that covers 24-105mm and supports lenses as wide as 15mm when using the built-in wide panel.
• Customizable buttons for lighting compensation levels, flash outputs, and more.
• 400 Lux 5500K LED option.
• Automatic zooming when paired with APS-C cameras or switched to APS-C mode.
• Automatic white balance adjustment for natural, consistent results.

This portable, moisture-resistant, versatile little flash is ideally paired with Sony a7 series cameras. It can be synced to nearly all shutter speeds in high speed sync mode (with select cameras) and can control multiple flashes for creative lighting setups. It is a great tool for events, weddings, and traveling.