F&V R720 Lumic Daylight Ring light | MedienwerkstattR720 has a 290mm center opening that allows it to be used with any size cinema lens. An included 5/8" stand mount allows you to attach the R720 to a stand which is ideally suited for photographers. An optional 15mm LWS and 19mm rail mount (sold separately) allows the R720 to seamlessly integrate into your professional, cinema workflow. Reap all the benefits the R720 has to offer. When you're not in need of a ring light, the incredible power of the 720 LEDs allows you to use the light off-camera as a standalone LED fixture. A softbox accessory allows you to shape and soften your light for a wide variety of applications. Additionally, the unit can be powered by two, NP-F Li-ion batteries which means you can take it anywhere you go. Two NP-F 770 batteries (sold separately) will power the R720 up to 1.5 hours at full power.