Pentax AF 540FGZ Hot-shoe clip-on flash

Pentax has been a leader in the photographic field for many years. Many Pentax innovations have become standards in the industry. Pentax's enthusiasm and devotion towards the development of high-quality products have thrived over the years and continues to be stronger than ever. PRODUCT FEATURES: P-TTL mode with preflash allows for more accurate strobe photography; Wireless P-TTL flash; High speed on camera and high-speed wireless flash is available in P-TTL modes; Flash exposure compensation through a simple control dial; Standard TTL flash is available when used with Pentax TTL flash enabled camera bodies; Auto and Manual modes for more creative control or use with non-TTL camera bodies; LCD display shows the effective range of the flash in P-TTL, TTL and AUTO modes; Modeling light feature strobes the flash for one second so the photographer can check for unwanted shadows or highlights.