High Resolution at Ultra Wide Angles Covering the widest range available in any full-frame E-mount lens, the FE 12-24 mm F4 G zoom offers unprecedented expressive potential for landscapes, cityscapes, architecture, and other expansive subjects. Refined ultra wide-angle optics capture sweeping scenes with dynamic perspectives plus outstanding resolution and clarity. Excellent Corner-to-corner Resolution Four aspherical elements in an innovative optical design effectively suppress optical aberrations that can be problematic in wide-angle lenses. This remarkable lens achieves excellent resolution that is fully consistent with the G Lens concept throughout its zoom range. Super ED Glass Improves Resolution and Contrast One Super ED (Extra-low Dispersion) glass element and three.