1. Easy to use, just plug and play.
2. Lockable shutter release button for long exposure shots and continuous shooting.
3. Half-pressed button for autofocus and exposure metering.
4. Use this shutter release button to prevent camera shake and achieve sharper images.
5. Helps avoid vibrations during long exposures, close-ups, or continuous shooting.
6. Compatible with Sony cameras A58 / NEX-3NL / A7 / A3000 / A6000 / HX300 / RX10011.