JJC telecomando sgancio otturatore per Sony A7III HX300 HX50V RX100II RX100III NEX-3NL
DSC-HX300, HX400, HX400V, HX50V, HX60V, HX90, HX90V. For long exposure, just press the release button fully and slide it into the locked position. The shutter will stay open as long as the shutter release button is locked.