1. High Resolution Lens for Machine Vision P N 25HA CCD size 2 3 Mount C mount Focal length 12mm Aperture range 1 8 16 Angle of View 2 3 40 9 x 30 9 horizontal x 1 2 30 0 x 22 4 vertical 1 3 22 4 x 16 6 Focusing range 0 27m infinity Operation Focus Manual w lock Iris Manual w lock Filter size M25 5 Back focus in air 11 027mm Exit Pupil Position 24mm 1 Optical Principal Point 13 446mm 2 Optical Principal Point 1 081mm Distance between 1 amp 2 9 333mm Effective Front 11 7mm Diameter Rear 8 0mm Optical Construction 6 groups 6 elements Distortion 1 37 Overall Length 24 0mm Maximum Diameter 29 0mm Weight 40g Operating Temperature 5 50C December 6 2006