I am offering for sale the Nikon SB-910 flash, which is the most powerful and reliable version from Nikon for professional and amateur photographers. Specifications and Condition: Condition: Very clean, lightly used, like new. Performance: The flash works at 100% efficiency, and the recharge speed is excellent. Features: Overheat protection system, supports i-TTL, zoom range from 17 to 200 mm.