Accurate Auto-Focus Calibration The Datacolor Spyder Lenscal helps correct the auto-focus on your camera and lens and saves the custom setting on your camera for easier use in the future. This adds convenience to your workflow as a photographer, so you don’t have to constantly calibrate during the shoot. This accurate solution to your interchangeable lenses and camera bodies results in better and sharper photos. Hassle-Free Adjustments With the Datacolor Spyder Lenscal, you do not have to bring your camera for service. You can adjust the focus yourself and even repeat the calibration of your lenses and recent DSLR bodies when needed. The Spyder Lenscal is convenient, easy to set up, and hassle-free to use. To set up, position the Spyder Lenscal with the main target vertical and the ruler at the right, aligned at the 0 mark at the center cross-section of the target. Place it on a flat service or tripod. You can use the bubble indicator to level the device. Next, set up the camera and lens to calibrate the autofocus. Compact, Portable, and Durable Compact, lightweight, and durable, the Datacolor Spyder Lenscal has an integrated level and tripod mount to aid in adjusting your camera’s autofocus. This colour calibration tool is portable, so you can bring it during on-location shoots.