Take control of your on-camera lighting setup with the black PZ-4000AF TTL Flash from Sunpak. This model is designed for Nikon cameras with i-TTL metering with a guide number of 131' at ISO 100 and 80mm. Also, it has a zoom range of 28-80mm and will tilt upward 90° for bounce lighting. Manual settings are possible at full and 1/16 power and it has a recycle time of 0.5-9 seconds. Additionally, it supports first and second curtain sync and runs on 4 AA batteries.