Sony HVL-F20S External Flash

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Features For Select NEX-Series Cameras Compatible with Sony P-TTL Guide Number: 66' at ISO 100 and 35mm Coverage: 10mm, 16mm, & 35mm (APS-C) Compatible with select NEX-series cameras with the Smart Accessory Terminal, the HVL-F20S Flash from Sony provides a guide number of 66' at ISO 100 and 35mm on APS-C cameras, which is a much higher output compared to the built-in flash. This unit also works with Sony's P-TTL automatic flash exposure system and has options for covering 10mm, 16mm, and 35mm f