Yongnuo YN-622C User Manual

2. 2nd curtain sync
The flash fires right before the shutter closes, lower shutter
speed needs to be used, support bulb 2nd curtain sync flash.
1. 1st Curtain sync
The normal flash sync.
Shutter Sync
13
3. Hi-speed Sync(HSS/FP FLASH)
The flash can sync with all shutter speeds when . The
max speed is 1/8000s or 1/4000s（depends on the camera）.
using hss
※ Enable the wireless flash function, 2nd curtain sync will be
unable to use.
※ In case of using hot-shoe flash which does not support hi-
speed sync, the max sync speed is 1/250s or less.

Yongnuo YN-622C Specifications

Power

battery type	2x AA batteries (1.5v Alkaline or 1.2v NiMH)
standby time	60 hours
max safe trigger voltage on hot-shoe centre pin	6 volts

Connectors

canon hot foot	with locking ring and pin
canon hot shoe	for mounting hot-shoe flash
pc-sync screwlock socket	sync out only

Weight and Dimensions

dimensions	90 x 53 x 25mm (39mm incl. hot-foot)
weight	79gm without batteries