In early 2012, Leica expanded their lens programme by introducing the wide-angle Elmarit-S 30 mm f/2.8 Asph, offering an equivalent angle of view as a 24 mm lens in small format. The new addition was distinguished by unsurpassed colour and contrast rendition, extremely high resolution and almost complete absence of aberrations.
The optical design comprises 13 elements in nine groups. Five elements are lenses with anomalous partial dispersion, while three low-dispersion fluoride elements correct chromatic aberrations. Three elements with a particularly high refractive index and two aspherical elements minimise monochromatic aberration. During focusing, only the rear group, consisting of six elements, is moved. As a result, the Elmarit-S 30 mm f/2.8 Asph offers excellent imaging performance from infinity to its closest focusing distances.
The lens is also available with a central shutter.