Available. The Keyence OP-51612 is a close-up ring set designed for C-mount cameras, enhancing their macro imaging capabilities. This set includes five rings with varying thicknesses: 0.5 mm, 1 mm, 5 mm, 10 mm, and 22 mm, allowing for precise adjustments in working distance and magnification. These rings are essential for applications requiring detailed close-up imaging, such as quality inspection, assembly verification, and precision measurement tasks. The OP-51612 is compatible with Keyence's CA-L series lenses, ensuring seamless integration and optimal performance. By incorporating this close-up ring set, users can achieve high-resolution images of small components, facilitating accurate analysis and decision-making in industrial automation processes.