AIDA Imaging HD Varifocal 2.8-12mm Manual Iris CS Mount Lens The CS-Mount 2.8mm-12mm Fixed Focal 3 Megapixel Lens from AIDA is optimized with the AIDA Imaging Full HD cameras with 1/3” Progressive CMOS sensors. MAIN FEATURES Optimized and tuned with Full HD Cameras CS-Mount Adjustable Iris Control Varifocal 2.8mm~12mm Horizontal Field of View: 60°-6°