The CS-Mount 4-13mm Varifocal Lens with P-Iris from Tamron is a CS-mount lens for use with CCTV network cameras up to 5MP. It supports sensor sizes up to 1/1.8". Near-IR correction enables the lens to avoid focus shift and infrared bleed.
| Lens Mount | CS |
| Sensor Compatibility | 1/1.8" (5 MP) |
| Focal Length | 4 to 13mm |
| Back Focal Length | 15.235mm |
| Aperture | f/1.5 |
| Angle of View | 1/1.8" Sensor Horizontal: 105.4 to 33° Vertical: 77.6 to 24.8° 1/2" Sensor Horizontal: 91.7 to 29° Vertical: 67.9 to 21.8° 1/3" Sensor Horizontal: 67.9 to 21.8° Vertical: 50.6 to 16.3° |
| Minimum Focus Distance | 0.98' / 0.3 m |
| Focus Type | Manual Focus |
| Iris Type | P-Iris |
| IR Corrected | Yes |
| Operating Temperature | -4 to 140°F / -20 to 60°C |
| Dimensions (ø x L) | 2.54 x 3.49" / 64.5 x 88.7 mm |
| Weight | 6.07 oz / 172 g |
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