Alongside the 5 new HD Pentax DA Limited lenses, Ricoh also introduced a pair of weather-sealed speedlights, the AF540FGZ II and AF360FGZ II.
About the new Pentax speedlights:
With guide numbers of 178 at ISO 100/ft (54 at ISO 100/m) and 118 at ISO 100/ft (36 at ISO 100/m), respectively, the AF540FGZ II and AF360FGZ II flashes provide a variety of advanced flash applications, including P-TTL auto flash, high-speed synchronization and wireless P-TTL auto flash. Additionally both units feature a LED light to act as a constant light source for video and long exposure photography, while quick recycle times of five seconds on the AF540FGZ II and two-and-a-half seconds on the AF360FGZ II ensure that a shot is never missed.
The Pentax AF540FGZ II and AF360FGZ II will be available in September 2013 for $629.95 and $429.95, respectively. Check availability at B&H Photo via these links: Pentax AF540FGZ II and AF360FGZ II.