AIDA Imaging HD Varifocal 5.0-50mm Manual Iris CS Mount Lens The CS-Mount 5mm-50mm 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 5mm~50mm Horizontal Field of View: 90°-26°