CAS-1300 is a vari-focal lens for megapixel cameras. This can be used with many box cameras. The high resolution achieved excellent records.CAS-1300 meets requirements and can also be used in professional areas such as airports and docks. CAS-1300 has to allow F1.4 auto-iris that automatically adjusts itself to ambient conditions for best picture quality. Thus, CAS-1300 ideal for use in changing light conditions suitable. The lens CAS-1300 can be used both in daylight and at night.