Leica S 30-90mm f3.5-5.6 ASPH
The Leica Vario-Elmar-S 30–90 mm f/3.5–5.6 ASPH. combines the versatility of a zoom lens with the imaging performance of equivalent primes. From the angles of view it translates to a 24 to 72 mm zoom in 35mm format – the versatility offered by this universal range of focal lengths, from an extreme wide-angle to a little longer than a standard lens, makes it ideal for all manner of photographic needs. A particular advantage of this zoom is that photographers have no need to fear a loss of quality in comparison with corresponding primes and must only accept that the initial aperture is not quite as fast.
Its sophisticated optical design comprises 14 elements in four groups. Altogether nine elements are manufactured from glasses with anomalous partial dispersion, and three of these are fluoride lenses with the particularly low dispersion characteristics needed for the correction of chromatic aberrations. Monochromatic aberrations are effectively minimised by the integration of three aspherical lens surfaces.
These constructional measures ensure that the Vario-Elmar-S 30–90 mm f/3.5–5.6 ASPH. can be used without any reservations throughout the entire zoom range at all focusing distances and at maximum aperture, as stopping down only minimally improves its already extraordinarily high imaging performance. At all focal lengths distortion is extremely well controlled and vignetting effects imperceptible. The Vario-Elmar-S 30–90 mm f/3.5–5.6 ASPH. delivers consistently dependable high performance and offers extreme flexibility and creative potential for a multitude of photographic challenges.