Lens in mint condition. No scratches or marks on lens (see photos). Optics are clean: no haze, no fungus, no dust, no scratches, no balsam separation. Butter smooth focus. Aperture has nice audible clicks in half stops. Build quality is very good, made of metal and plastic (mostly metal and heavy for it's small size), but assembled tightly. Very sharp edge to edge! Comes with front and rear caps.