CCTV (Closed Circuit Television) lenses were developed to recognize images in a wide area. All models' iris and focus are adjustable and you can set them as you like. *1 (They come with locking screws.) Using optional close-up ring and converter allows for macro photographing. *2

*1 Not designed to be vibration proof.
*2 Tolerances of lenses may increase and image quality may worsen as a result.