JJC MA-F2 Remote Switch Shutter Release for Sony A7 II A3500 NEX-3NL A7 A7R A7S A3000 A5000 A6000 (Black) Two stage release button: halfway pressing for auto focus Lock the button for long exposures or continuous shooting Prevents the camera from shaking Standard Length: 90cm Compatible with remote switch model: Sony A7 MARK II A3500 A58 NEX-3NL A7 A7R A7S A3000 A5000 A6000 HX300 HX50V RX100II RX100III