The AF-S NIKKOR 70-200mm f/2.8E FL ED VR has four focus function buttons right on the lens barrel, perfect for engaging autofocus or AF Lock*. The zoom and focus rings have reversed positions for more comfortable, stable zooming. Its magnesium alloy barrel, High Refractive Index (HRI) lens element and lightweight Fluorite (Fl) element located near the front of the optical group keep the lens evenly balanced. The tripod collar ring spins on ball bearings for smooth transitions between horizontal and vertical shooting. Shoot with the aperture wide open at f/2.8 across the entire zoom range—from 70mm to 200mm—for sharp, bright images with smooth, creamy background blur. Close focus has been improved from 4.6 feet (1.4m) to approx. 3.6 feet (1.1m), allowing for stunning close-up portraits. Combined with a high-ISO Nikon DSLR,the AF-S NIKKOR 70-200mm f/2.8E FL ED VR opens new possibilities for capturing indoor sports, wildlife at dusk and dawn, wedding receptions and so much