Here is Vivitar Series 1 70-210mm 3.5 version 1 in Nikon AI mount. Series 1 is the designation of vivitar's highest quality lens. This version was manufactured by Kiron (more info Vivitar 70-210 Series 1 Macro Zoom Lenses - Mark Roberts Photography) It has VMC coating and push-pull zoom mechanism and constant aperture at 3.5! Amazing Bokeh for fraction of the price you'll pay for Nikon zooms. Also comes with spiralite 67mm filter. Comes with front and rear lens cap. Only $67 shipped CONUS. Please contact me via email at firstname.lastname@example.org Thanks for looking!