I love my Yongs! Now I have 8 transceivers and two transmitters. These two are newly built. I think the functionality is the same as the old ones but the mount lock has been updated. This is now a 45 degree twist cap instead of the old screw cap. Never had a problem with my Yongs. The only problem is with the transmitters on my D750, but this problem is due to a design flaw in those cameras and has nothing to do with the Yongs.
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