COMPUTAR H6Z0812AIDC is a 1/2" C-mount manual zoom lens with a DC type auto iris. The COMPUTAR H6Z0812AIDC has locking set screws on zoom and focus rings. The COMPUTAR H6Z0812AIDC includes a long 31cm cable and prewired 4 pin connector. COMPUTAR H6Z0812AIDC used on a 1/2" camera provides a 44.6-8.0 degree horizontal field of view. COMPUTAR Model H6Z0812AIDC has a minimum object distance of about 3.5' and will accept a 49mm filter. COMPUTAR H6Z0812AIDC features All glass color corrected optics. 3 year warranty.