The Other YN-622C User Guide v.4.09
11/12/2014
Part II – 622C Transceivers Page 29 of 64
MULTI (STROBOSCOPIC) MODE
Usage is similar to Remote Manual and On-flash Manual. Stroboscopic mode is particularly
effective with a highly-reflective subject against a dark background. Consider using a tripod,
remote shutter release and external battery pack.
• Set Flash Mode to Multi.
• Set desired Flash output, Frequency per second (Hz) and Flash count, as provided by the
camera.
• Frequency multiplied by Flash Count = minimum shutter duration.
• Limit rapid use and allow at least 15 minutes rest between frequent bursts.
• E-TTL Flashes do not emit a pre-flash
SHUTTER SYNC MODES
First Curtain (Front Curtain)
• The “normal” flash sync.
• ETTL, Manual and Multi Flash modes.
Second Curtain (Rear Curtain)
The flash fires just before the shutter closes, instead of immediately after opening, to produce the
appearance of forward motion with ambient light trails behind the moving object.
• The 622C provides 2nd Curtain sync (2CS) in either ETTL or Manual Flash modes,
including with off-camera flashes.
• Note that in E-TTL mode, a pre-flash is also emitted by each E-TTL flash.
• Not available in Multi (stroboscopic) flash mode.
• Not available in Wireless mode (and therefore no group functions available).
• Shutter of around 1/30th sec (see your camera guide) through to Bulb.
• Camera must be in a Creative mode.
Fast-Shutter Sync
High-Speed (HSS or FP)
• ETTL and Manual Flash modes, syncs with all shutter speeds up to 1/8000s
• The camera must support HSS.
• If the hot-shoe flash does not support HSS, the max sync speed is 1/250s or less.
Super Sync (Flash Burn)
• Works with many hot-shoe and studio flashes, up to 1/8000s.
• Connection only through PC-sync port. A PC-sync cord required.
• Max. 300v trigger voltage.
• Set camera’s shutter sync as Hi-speed sync.
• Use manual exposure or shutter-priority mode.
• For Type C cameras, the max PC sync speed is 1/250s or less.
• A flash on the hot shoe and another connected to the PC-sync port can be used at the
same time.
Simple Trigger
• Single-contact cameras can trigger remote flashes (max sync speed is 1/250s).
• Single-contact flashes can be triggered by the 622C.
• Non-Canon flashes with multiple contacts can also be used, but may require either a single-
contact adapter or a PC-sync cable, e.g. Nikon, Sony/Minolta.
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