60 Day 100% money back guarantee. High-resolution PENTAX Cosmicar YF5028 line-scan lens for F-mount (Nikon) industrial cameras. 50mm focal length with fast f/2.8 maximum aperture for bright imaging and strong contrast. Lockable aperture and focus rings suited to production environments. Includes original green Pentax/Cosmicar box and molded foam inserts. Model codes on box and barrel show C52893F / FL-YFL5028. No accessories beyond what’s pictured. No testing performed. Ships well-packed from Carol Stream, IL. Shipping weight 2 lb; box size approx. 7.0 x 7.0 x 9.0 in.