KEY FEATURES: High resolution rivals the best primes: Excellent contrast at high spatial frequencies means superb resolution even at F2.8. Two high-precision XA (extreme aspherical) elements, two ED (Extra-low dispersion) glass elements, two Super ED glass elements and a floating focus mechanism control aberration, for sharp, clear images at all zoom and aperture settings. Minimal flare and ghosting: Nano AR Coating II technology produces a uniform anti-reflection coating on lens surfaces,...