Datacolor DC SLC100 SpyderLensCal Lens Calibration System
The Datacolor SpyderLENSCAL provides a fast, reliable method of measuring the focus performance of your camera and lens combinations. Use SpyderLENSCAL to obtain razor-sharp focusing or check to see if your camera's lenses are working at peak performance. This device is convenient, lightweight, and durable and includes an integrated level and tripod mount for easy setup.