... 15°half/30°full power angle,Identity the face distance 10-50M,IR distance 50-60M 31.3*26.1*12.61. ... aperture lens,15°half power angle,Identity the face distance 10-50M,IR distance50-60M 31.3*26.1*12.71 ... aperture lens,15°half power angle,Identity the face distance 10-50M,IR distance50-60M 31.3*26.1*12.71 ... power angle,IR CUT switch system,Identity the face distance 10-60M,IR distance70-80M 31.3*26.1*12 ...