FL-HC0416X-VG Product specifications Format size Focal length Maximum aperture ratio Iris range Mount Horizontal angle of view 1/2, 1/3" format 4.2 mm 1:1.6 1.6∼Close C 1/4" format 1/3" format 1/2" format 2/3" format Minimum object distance Back focal length Filter size Dimensions Weight Remarks ̶ 0.2 m 10.42 mm ̶ 120 g Iris lock screws, Fixed focus