|Autofocus Dedicated P-TTL Power Zoom for Pentax/Samsung Digital Cameras|
The Digital Dedicated Power Zoom Flash for Pentax and Samsung is an autofocus TTL flash unit designed specifically for digital cameras. Its auto-zoom flash head senses the focal length of the camera lens and adjusts accordingly. It has a guide number of 125 feet (38m) at ISO 100 (85mm). There...