High Speed Sync only works with hot-shoe flash units that are capable of HSS. Hot-shoe flash units have a different type of discharge circuit and their flash duration increases as the power increases, but is still so short that SuperSync or HyperSync usually doesn't work. Unfortunately with most studio strobes the flash duration decreases as the power increases and if you use SuperSync or HyperSync you need more flash power. SuperSync or HyperSync works well with many studio strobes units since their flash duration is usually longer than that of hot-shoe flash units. You will expose all the image but only a slice of the light output by the flash will be used and the exposure will have to be increased compared to what it would be if a shutter speed equal to or less than the sync speed were used. With SuperSync or HyperSync the flash only fires one time but if the flash duration is long enough the camera shutter can open and close at a shutter speed higher than the sync speed while the flash is still on. If you fire a single flash when the shutter speed is shorter than the sync speed normally part of the image will not be exposed, you will get a black bar, and underexposed area, across part of the image. The result is a shutter slit traveling across the image sensor. This is why a single flash can expose the entire image.Ībove the sync speed the second shutter starts to travel before the first shutter finishes its travel. When you shoot at the sync speed or lower the first shutter opens fully before the second shutter starts to travel. SuperSync or HyperSync is not the same as High Speed Sync. Just last night I was syncing my 5D at 1/8000s with my Jinbei Freelander II. Ironically cheap flashes have longer duration and work best with this. I have the 622 and its has a feature called SuperSync which works with flashes that have long tail (duration). Install the flashes with the receiver additionally purchased to make them into an application form of multiple-flashes, number of the receivers is not limited.Wrong. YN-622C 2 transceivers kit consist two similar transceivers, support one camera controlling multiple flashes at the same time. Support E-TTL flash installing on the top of transmitter. Support high-speed sync, the max sync speed is 1/8000s*,Support E-TTL, Manual and Multi flash modes. Remotely change the modes and parameters of the flash quickly when using the Canon EOS series DSLR cameras which suppor ts external flash function, such as T TL ratio or manually set each group of flash output. YN-622C E-TTL wireless flash trigger is a high per formance master and slave equipment of multiple flashes photography, through digital FSK 2.4GHz radio wireless transmission, and different photographic effectscan be realized through setting your flash at 360 degrees.It design of transceiver, the distance of remote control reaches 100M, suppor ting 7 wireless channels and A/B/C three groups. Suppor t single-contact of camera & flash triggering (max sync speed is 1/250s)Ĭompatible with ALL YongNuo/ Canon EXII series flashes，and strobe flashes.Ĭampatible with 1100D 1000D 650D 600D 550D 7D 5DII 5DIII 1DIV 1DIII 5D 1D 1DII 10D 20D 30D 40D 50D.Compatible with ALL YongNuo/ Canon EXII series flashes.Support high-speed continuous shooting trigger.Support PC port triggering strobe flashes and support 1st, 2nd cur tain/HSS (Super Sync).
Compatible flash mode: E-TTL (II)/ Manual/ Multi.
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