The Kyocera Contax TLA 360 Shoe Mount Flash is a power zoom auto flash with a guide number of 36 in meters (118 in feet) at ISO 100. The TLA360 provides TTL flash metering, external flash metering and manual flash capability. In addition, the power zoom feature allows 6 different coverage angles based upon focal length selected from 24mm to 85mm. It weighs 0.86 oz and offers a number of unique benefits for flash photography.