canon st-e3-rt knockoff

photography tips

Canon st-e3-rt knockoff Yongnuo st-e3-rt is finally here and available for sale. The new Yongnuo st-e3-rt compatible with the Canon 600EX-RT flash system and has some extra features as well. Here is some official technical info about this product : YN-E3-RT Features – Two-way 2.4G radio communication, fully compatible with ST-E3-RT/600EX-RT 15 Physical Channels, 1 Auto Channel, Up…