Computar Model TG3Z3510FCS-IR uses specially coated optics for enhanced IR sensitivity and is recommended for use with day/night cameras together with IR illumination. The COMPUTAR TG3Z3510FCS-IR provides a 81.6 - 27.2 degree horizontal angle of view when used on a 1/3" camera. COMPUTAR's TG3Z3510FCS-IR Aspherical optics provide a super fast F1.0 maximum aperture, assuring maximum low light sensitivity. 

COMPUTAR TG3Z3510FCS-IR and all Computar DC auto irisvarifocal lenses include locking set screws for zoom and focus rings, a 12 inch auto iris cable with 4 pin connector, color corrected glass optics and a comprehensive 3 year warranty.