The Godox TT520 II is a manual, wireless camera flash compatible with most DSLRs that have a standard hot shoe, including Canon, Nikon, Pentax, and Olympus. Key features include:
Wireless transmission: Built-in 433MHz receiver and included RT transmitter with 16 channels for triggering the flash remotely.
Flash modes: Offers M (manual), S1 (normal optic slave), and S2 (pre-flash cancel slave) modes.
Power output: Adjustable power output from 1/128 to full power in 8 steps.
Flash duration: 1/300s - 1/20000s.
Recycle time: Approximately 0.1-5 seconds.
Guide number: 33m at ISO 100. Some users report higher effective guide numbers.
Rotation: The flash head can rotate 90 degrees upward and 270 degrees horizontally.
Additional features:
Sync socket and terminals for external power pack.