Standard size screw thread connector - Secure attachment to your camera with a standard screw thread connection, ensuring reliable, hassle-free mounting. One-handed operation - User-friendly design with a mechanical locking mechanism that allows easy one-handed triggering, so you can compose and operate without repositioning. Vibration-free shutter release - Designed to minimize camera shake, delivering stable, sharp results for long exposures and delicate shots. Bulb-lock for exposures - Bulb-lock feature prevents accidental shutter release, making it ideal for long-exposure and timed shots. Use scenarios - Long exposure and night photography, including landscapes and low-light scenes, where stable triggering matters. - Astrophotography and star-trail sessions that require reliable, vibration-free operation. - Studio or macro photography where a steady, hands-free release supports precise framing and repeated shots.