Looking at getting a Vello Shutterboss while they're on sale, for my 5DIII. Which version is better, the 3-pin connection or the sub-mini connection? (/which one will work)
http://www.bhphotovideo.com/c/product/749827-REG/Vello_RC_C2_ShutterBoss_Timed_Remote_for.html
http://www.bhphotovideo.com/c/product/749826-REG/Vello_RC_C1_ShutterBoss_Timed_Remote_for.html
http://www.bhphotovideo.com/c/product/749827-REG/Vello_RC_C2_ShutterBoss_Timed_Remote_for.html
http://www.bhphotovideo.com/c/product/749826-REG/Vello_RC_C1_ShutterBoss_Timed_Remote_for.html