The MC-30A Remote Trigger Release from Nikon
is remote shutter release cable for select Nikon cameras. It features a
trigger lock mechanism for unlimited time exposures. The MC-30A has a
10-pin plug and works with any Nikon with a 10-pin remote port including
the following Nikon DSLRs: D3, D3s, D3x, D4, D200, D300, D300s, D700,
D800, and D800E.