Nikon 400mm f2.8 ED AI-S NikkorNotable paint and finish wear on this Nikon 400mm f2. 8 AI S Nikkor lens, but optics are clean and function is excellent. And as you might expect, image quality is pretty exceptional. This is an AI S lens, so it's manual focus and as you may have guessed there's no image stabilizer. Don't skip arm day: this thing weighs 5. 7 kilos (that's 12lbs, y'all). Looks bad, works good. Includes gel filter holder insert, but no UV filter insert. Please note that