Buy from Amazon.com : http://fave.co/19rAi0H
Neewer BY-220AFD Electronic AF E-TTL Flash Speedlight for Pentax and Samsung Cameras such as
Product Description :
AF-assist beam function facilitates autofocus for dark scenes
TTL auto exposure Support slow and 2nd curtain sync
Automatically flash sync speed setting power saving mode and prepare prompt functions
Flash head adjustable 0-90 degrees it has 45 60 75 90 degrees of vertical angle more easy and convenient to use
Note Camera and battery not included