Wide-angle IR-corrected vari-focal lens with 4 to 12mm focal length, 1/2" image size, F/1.2 - 360 iris range, DC auto iris operation, manual focus operation. This lens has 93.6° x 68.9°/31.2° x 23.4° 1/2” angle of view (wide/telephoto). High-resolution lenses are cost-effective solutions for sensors with a resolution of 720p or less.