Computar Varifocal IR (infrared) manual 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 | 8.5 - 40mm |
Max. Aperture Ratio | 1:1.3 |
Max. Image Format | 4.8 x 3.6 mm (ø6 mm) |
Operation Range | Iris: F1.3 to F16C Focus: 0.8m to infinity Zoom: 8.5mm - 40mm |
Control | Iris: Manual Focus/Zoom: Manual |
Object Dimension at M.O.D. | 8.5mm: 48.1cm x 34.5cm 40mm: 10cm x 7.5cm |
Angle Of View | 1/3 type - 43.9 - 8.9°(D), 33.5 - 7.1° (H), 24.4 - 5.3° (V) |
Operating Temperature | -20 to 50°C |
Effective Lens Aperture | Front: ø27.0 mm Rear: ø9.3 mm |
Back Focal Length | Tele: 10.6 mm Wide: 9.0 mm |
Flange Back Length | 12.5 mm |
Mount | CS-Mount |
Filter Size | M37.5 P=0.5mm |
Dimensions (W x H x D) | ø47.0mm x 62.9mm |
Weight | 126g |