Promaster 28-80 mm F/3.5-5.6 AF Aspherical Lens Promaster 28-80 mm F/3.5-5.6 AF Aspherical Lens The Promaster 28 mm - 80 mm f/3.5-5.6 also offers a 2.3-foot minimum focusing distance, f/22 minimum aperture, and a bayonet-style lens hood that is helpful during outdoor shoots. The Promaster 28 mm - 80 mm with Nikon mount comes with a 58 mm filter, which is larger than the standard Nikon filter size