Quality remote release cable release for Nikon D7100, D7000, D5200, D5100, D5000, D3200, D3100, D600, D90 - similar MC-DC2 remote cord (Electronics)
at the three Nikon DSLR in our household. D90, D3100 and D610 can be triggered with it, and the "terminal-determination" also allows "B" without having to hold the shutter button pressed constantly. One senses to trigger any real press