The General Electric 5-50mm Manual Iris Lens for 1/3" Format Sensors offers a 10x optical zoom ratio, and is suitable for applications ranging from wide area surveillance to close-up monitoring. An iris range of f/1.8 to close makes the lens suitable for surveillance in low-light as well as bright light conditions. You can adjust the iris size via the aperture ring on the lens body.
Multicoated glass lens elements help reproduce images with excellent contrast and color. Aspheric lens surfaces ensure that reproduced images have corner-to-corner sharpness at all aperture settings. The Manual Iris Lens offers a minimum object distance of 11.8" (300mm) and features a metal CS-mount.
10x optical zoom ratio for applications ranging from wide area surveillance to close-up monitoring
Iris range of f/1.8 to close makes the lens suitable for surveillance in low-light as well as bright light conditions
Iris size adjustable via the aperture ring on the lens body
Multicoated glass lens elements help reproduce images with excellent contrast and color
Aspheric lens surfaces ensure that reproduced images have corner-to-corner sharpness at all aperture settings
Metal CS-mount for durability
Minimum object distance of 11.8" (300 mm) for clear view of objects at close distance

