100SL Speedlight for Nikon - The PROMASTER 100SL for Nikon sports a full complement of advanced features in a small form factor. Its hybrid design gives you the option of an LED light for videos or flash for still photos. The 100SL is well-balanced so it 'just feels right' on your camera while throwing a flattering quality of light towards your subject. Use it in a wireless flash system as a master or slave unit. You can even use the 100SL to remotely fire your camera! The 100SL for Canon features include: + LED light for videography + Remote camera triggering + Swivel and bounce + 22 levels of light output control + HSS high-speed sync + Thermal cut-off protection + Quick release camera connection + Wireless Master/Slave TTL functionality + 1st and 2nd curtain sync + Stroboscopic mode + Flash exposure bracketing