Nikon AF-S DX Nikkor 17-55mm F/2.8G IF-ED (2003) Nikon AF-S NIKKOR 17-55mm 1:2.8G ED DX (2003) Lens construction: 14 elements in 10 groups Filters: Screw-type 77mm Cleaning 1. Lens Cleaning $780 onwards Lens cleaning is commonly needed when the lens shows signs of Mildew, Haze, or Dust Adjustment / Abnormal / Replace 2.