60 Day 100% money back guarantee. Industrial line-scan macro lens marked L8540 85mm 1:4, suitable for machine vision and inspection setups. Optics appear clear on visual check; no fungus or haze seen under room light. Aperture and mechanics feel normal by hand. No internal testing or calibration performed. Photos show the actual lens from multiple angles, including markings and thread detail, so you can verify suitability for your system. Ideal for builders, integrators, or spares. Ships well-packed from Carol Stream, IL. Please confirm fit and interface for your camera and working distance before purchase; mounts and accessories are only included if pictured.