If you are looking for an inexpensive professional TTL macro flash ring, look no further. Meike MK-14EXT allows you to evenly illuminate close subjects with soft, flattering light. MK-14EXT is a great alternative to more expensive TTL macro ring flashes from Sigma, Canon… MK-14EXT features both PC sync and external power ports. Also, it fully supports in-camera flash settings such as exposure compensation (FEC), flash exposure bracketing (FEB), flash exposure lock, modeling light function, and 1st & 2nd curtain sync modes. The control unit features an LCD screen for directly adjusting flash settings. Meike MK-14EXT is very powerful macro ring light and it recycles in approximately 3 seconds at full power.