5 ~ 50 mm, F1.6, DC-iris.

Features:

• Focal Length 5 mm ~ 50 mm
• Back Focus(in air) BFL = 7.68 mm 
• FBL = 12.5 mm
• Angel of View Wide: H: 58.89°, V: 33.91°, D: 66.95° 
• Tele: H: 6.58°, V: 3.78°, D: 7.49°
• F number F1.6
• Min.Objective Distance 150 cm from front Lens
• Supported Models IP8151, IP8152, IP8155HP, IP8162, IP8165HP, IP8173H
• Format 1/2.7"
• Mount Type CS