Enhanced optical formulas, engineered to produce exceptional sharpness, contrast and colour, render outstanding image integrity Aspherical lenses including large-diameter PGM element eliminate various types of lens aberration even at the widest aperture Nano Crystal coat virtually eliminates internal lens element reflections, effectively reducing ghosting and flare High-performance Super Integrated Coating offers superior colour reproduction, while minimising ghosting and flare IF (Internal Focusing) enables focusing without changing the length of lens barrel
