DBK® Brand New Camera Flash Speedlight DF-400 for Canon Nikon Olympus Pentax Samsung Fujifilm Ricoh DSLR and Digital Cameras with Single-Contact Hot Shoe
About DBK:DBKis a famous trademark who specializes in offering digital camera batteries and photo accessories on Amazon.We always try our best to make sure customers have a happy shopping experience with us by providing good quality products with pretty price.Specifications:Electronic structure:Insulated gate double-click the transistor automatically(IGBT)Guide number:33(ISO 100/1M)Power:4x AA batteriesBattery life:110-1500 timesRecycle time:3 secondsFlash mode:M,S1,S2Color temperature:5800KFlash duration:1/200 seconds~1/20000 secondsFlash control:Magnitude 8 brightness control(1/128-1/1)Dimensions:190x75x55mmNet weight:315gAdvantage:M modeIn this mode,you can adjust flash brightness according to your own preference,the speedlight will flash under the camera synchronous signalS1 modeIn this mode,DF-400 will trigger flash with the main speedlight first flash,the effect is the same as using radio trigger.When using this mode,your main speedlight should be set to manual flash mode,using neither TTL flash system nor red-eye removal function which caused multiple flash.S2 modeS2 mode is similar to S1 mode and is also known as "preflashing cancel mode",but it can ignore the preflashing from TTL,so you can use it to support the main speedlight that working in TTL mode.In particular,if S1 mode is unable to synchronously flash with your built-in speedlight,you can try to use S2 modePackage Include:Flash lamp x1Protection bag x1Mini stand x1Instruction manual x1