For each resolution, Ricoh (Pentax) provides an extensive line of high-performance lenses with differents focal lenghts and sensors sizes for Machine Vision Applications.
Adapters, filters and accessories are available.
VG Series - Iris manual, locking screws - C-Mount
For sensors 1/2": Focal: 4,2, 6 and 12 mm
For sensors 2/3": Focal: 4,8, 8,5 and 16 mm
For sensors 1": Focal: 12,5, 25 and 50 mm
2M Series - 2 Megapixels, iris manual, locking screws - C-Mount
For sensors 1/2": Focal: 6 and 12 mm
For sensors 2/3": Focal: 16, 25, 35, 50 and 75 mm
5M Series - 5 Megapixels, iris manual, locking screws - C-Mount
For sensors 2/3": Focal: 8, 16 and 25 mm