Illuminate your subjects with the Canon E-TTL / E-TTL II compatible D728AF TTL Dedicated Flash from RPS Lighting. It features a powerful guide number of 92' at ISO 100 and 50mm along with a manual zoom head with a range of 28-85mm. The head also offers bounce capabilities with tilt up to 90° and rotation of 330°. The flash is versatile with an AF assist light for low light operation and has slow, 1st & 2nd curtain sync options. Additionally, it runs on 4 AA batteries and offers a recycle time of 0.5-7 seconds.