Compatible to all units of the series EXPERT PRO, CONTRA, eFLASH, EXPERT, EH Pro Flash Head, EH Pro Mini and EHT Scanlight. For a considerable narrowing of the light circle. Its effect is similar to a honeycomb, but provides a well-defined border from light to darkness. Considerably lower light efficiency compared to honeycombs and Accent tubes. Reflector inside surface: black, Ø 10.5 cm. Aperture: 11.2 @ 2 m & 500 J.