Tamron SP AF 17-50mm F2.8 XR Di II LD Asp for Nikon

https://tamron-usa.com/product/lenses/a16.html Specifications Model A16 Focal Length 17-50mm Maximum Aperture F/2.8 Angle of View (diagonal) 7845 - 3111 Lens Construction 16 elements in 13 groups Minimum Focus Distance 0.27m Max. Magnification Ratio 1:4.5 Filter Size 67mm Length 83.2mm Diameter 73.8mm Weight 440g Diaphragm Blade Number 7 Minimum Aperture F/32 Standard Accessories Flower-shaped lens hood, Lens caps Compatible Mounts Canon, Nikon, Pentax, Sony