REMOTE SHUTTER RELEASE CONTROL CORD MC-DC2 FOR NIKON D750 D5100
D7500 D750 D610 D600 D7200 D7100 D7000 D5600 D5500 D5300 D5200. D5100 D5000 D3300 D3200 D3100 D90 DF. And, a shutter release button lock is available which for long exposures shooting and continuous shooting helpfully.