Free Express Shipping! Canon Speedlite EL-1 2.4 GHz Wireless Radio Transmission, Compatible with Canon E-TTL / E-TTL II, Guide Number: 197' at ISO 100 and 200mm, Zoom Range: 24-200mm, Bounce: +120°, Rotates Left & Right 180°, Xenon Flashtube, 1/1 to...