Get Panasonic i-Pro Calc on your iPad, iPhone and iPod touch. Easily select the correct camera and lens combination for your video surveillance project. Instantly calculate Field of View, Angle of View and Focal Length based on the Object of Interest, Visual Acuity Index (Picture Quality) and Target Distance. Accurately estimate bandwidth and storage requirements. Visually calculate lens focal length with the Field of View Simulator. Quickly find all cameras that meet your prescriptive specification and performance requirements.