Their TTL models are closer to $100, but here's a $60 chiense flash that does TTL, HSS, and support for wireless iTTL and works great: http://www.amazon.com/Neewer-NW-985N-High-Speed-Speedlite-Diffuser/dp/B00QC9E4XM/ref=sr_1_10?ie=UTF8&qid=1433587967&sr=8-10&keywords=neewer+ttl+flash