Lightweight and versatile, the Nikon Fmount 1735mm f/284 DI OSD Lens from Tamron covers a range of wideangle focal lengths while maintaining a bright maximum aperture The variable aperture of f/284 provides exceptional control over depth of field and allows enough light in to excel in many lowlight situationsThe Tamron 1735mm F284 Di OSD is a compact wideangle zoom for fullframe DSLR cameras It features 15 elements, including lowdispersion and aspherical, along with fluorine and 'BBAR' coatings to reduce fingerprints and flare/ghosting, respectivelyThe new Tamron 1735mm f/284 Di OSD ultra wideangle lens (Model A037) is designed to combine superb image quality with maximum portability With a compact body weighing 460 grams and a filter diameter of 77mm, it can capture more of the world in amazing detail without adding unnecessary bulk to your camera bag Tamron 17 35mm F 2 8 4 Di Osd Lens For Nikon F Mount Tamron 17-35mm f/2.8-4 di osd sample images