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								        2.8 ~ 12mm, F1.2, Auto-Iris  Model: AL-231 P/N No.: 640007400G  | 
							          
| Supported Models | IP8151, IP8152, IP8162, IP8172, IP8173H | 
| Operating Temperature | -30 ~ 70℃ | 
| Humidity | 10 ~ 90% RH | 
| Format | 1/2.7" | 
| Mount Type | CS | 
| Focal Length | 2.8 mm ~ 12 mm | 
| Back Focus(in air) | Wide: 8.04mm (with 0.5mm CG)  Tele: 17.66mm (with 0.5mm CG)  | 
							          
| Focusing Range | 1.5 m ~ ∞ (W and T) | 
| Angel of View | Wide - 139.1° x 118.3° x 63.6°, Tele - 33.4° x 29.1° x 16.5° (D, H, V) | 
| F number | F1.2 ~ Close | 
						