When you’re shooting a wedding party, which will often include numerous friends and family members, you’ll need to have plenty of light to make sure that everyone is illuminated properly and evenly. In most cases, an on-camera flash is good for a small group, but will not provide enough light to cover all your subjects in a larger group portrait. The same holds true with a reflector; the amount of coverage a reflector provides just won't be enough for a large group photo, but for two or three people, it will work just fine. A good solution for filling in those unwanted, distracting shadows is the Impact LiteTrek 4.0 DC Powered Monolight, used in conjunction with the Impact Powersync 16 DC Radio Slave System, for wireless light triggering.