1. The bottom is equipped with 1/4 screw interface
2. The central groove design can effectively prevent damage to the flash contacts, which can be used for flash lamp holder or fixture
3. Small spring in adjustable tightness design groove, more smooth tightness adjustment
4. Can be connected to most flash lamps except SONY interface
2. The central groove design can effectively prevent damage to the flash contacts, which can be used for flash lamp holder or fixture
3. Small spring in adjustable tightness design groove, more smooth tightness adjustment
4. Can be connected to most flash lamps except SONY interface