Using multiple cameras is common practice for some photographers. For example, wedding and event photographers often use more than one camera at a time. In some cases, there will be more than one photographer using multiple cameras. To complicate things, these photographers might be using cameras or lenses from different manufacturers. No matter how many cameras are used on a shoot, color harmony is important to help tell a cohesive visual story. Datacolor SpyderCHECKR can help make this easy and precise.