12 mm Back Focus Adjustment Adapter Ring for Industrial Vision Lenses

The focusing ring is a device installed on the camera lens to adjust the focal length. By rotating the focusing ring, the focal length of the lens can be adjusted, so that the object you want to shoot can be clearly imaged.
When a line scan lens is used with a line scan camera, various combinations of adapters are required due to different magnifications, camera interface and target surface size, etc., to achieve specific imaging needs.

• Adjust the lens focus
• Various lens specifications are available
• Fine workmanship, no tooth loss, no paint peeling.