Great Product
I have used optically triggered off-camera lighting for many years and ran into line-of-sight issues interfering with triggering.
I finally broke down and purchased four of the Cactus V6 II units and I have been very pleased indeed. It only took a short time to become comfortable with the various controls and modes of these units and they are now the only method I use for triggering off camera flash.
Note: If you are interested in HSS (high speed sync), make sure you get the V6 II, not the older V6.
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