Nikon Nikkor 135mm f3.5 Telephoto AI Lens for F-Mount

Here is an AI lens, not AI-S. It’s in beautiful condition, both optically and cosmetically. I can’t see a single speak of dust inside and there is no sign of fungus or haze. The external lens surfaces are unmarked. Any spots visible in the photos are simply reflections. The aperture ring clicks as it should into all notches, although it overshoots a tiny bit going into f3.5 - this does not affect functioning. The focus ring turns smoothly but is a little tight. I’m only selling it as it’s not getting used. The serial number is 221988. Returns accepted.