Sell K&F Concept KF-150 Macro Ring Flash Light E-TTL For Canon Camera 1Ds SX50 SX6 best price

KF-150 Ring Flash Light with convenient operation and multiple flash modes, professional protection system for high temperature, brights every moment in work. Features Circuit Design: Insulated Gate Bipolar Transistor Flash index : GN14 (ISO100) Transmission range: 20CM ~ 5M Firing configuration: Two flash tubes can be fired together or singly Exposure Control Type: TTL, M, Multi Flash Ratio Control: 1:8 ~ 1:1 or 1:1 ~ 8:1 in 1/2 stop increments Color Temperature: 5500k External interface: Hot shoe, PC port, external charging port Power sources: 4*AA alkaline batteries or AA Ni-MH batteries (not included) Extra Function: Power saving, over-heat protection Control unit: 143*73*61MM Flash unit: 130*126*28MM Weight: Approx 465G Additional function : PC synchronous, Sniff mode, Over temperature protection Note​ To prevent flash unit overheating and damage, please don't do continous shooting over 10 times. between 2 exposure operations, please leave enough time for flash to recycle. It means at least 15 minutes needed for flash cooling after 10 times continuous flash. When the inner circuit is over-heating, which indicates over use of the flash unit, the inner circuit will shut down power automatically. The flash unit will turn to normal state after the inner circuit is cooled down with no less than 15mins.