Computar Varifocal IR (infrared) DC auto iris lenses are designed for use with Day/Night cameras. They eliminate focus shift in night mode, especially in the presence of IR lighting. All lenses are CS-Mount, comprised of all glass optics, come with locking set screws and a durable metal barrel and mount, and are covered by a three year warranty.
Focal Length | 2.8 - 12mm |
Max. Aperture Ratio | 1:1.3 |
Max. Image Format | 4.8 x 3.6 mm (ø6 mm) |
Operation Range | Iris: F1.3 to F360C Focus: 0.3m to infinity Zoom: 2.8mm - 12mm |
Control | Iris: DC Auto Iris Focus/Zoom: Manual |
Angle Of View | 1/3 type - 133.0 - 29.7° (D), 102.2 - 23.8° (H), 74.2 - 17.8° (V) 1/4 type - 95.0 - 22.3° (D), 74.2 - 17.8° (H), 54.7 - 13.3° (V) |
Coil | Drive: 190 Ohms Control: 855 Ohms |
Operating Temperature | -10 to 50°C |
Effective Lens Aperture | Front: ø23.0 mm Rear: ø7.2 mm |
Back Focal Length | Tele: 20.2 mm Wide: 8.1 mm |
Flange Back Length | 12.5 mm |
Mount | CS-Mount |
Filter Size | - |
Dimensions (W x H x D) | ø37.5mm x 48mm x 56mm |
Weight | 71g |