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Revolving around a sophisticated optical design, Leica's Summicron-S 100mm f/2 ASPH Lens is a portrait-length prime designed to excel in a wide variety of shooting conditions. Equivalent to an 80mm lens in the 35mm format, this lens is characterized by its fast f/2 maximum aperture for selective focus control and low-light shooting capabilities. The longer-than-normal focal length of the lens contributes to notable subject isolation while providing a natural looking perspective that is well-suited to portraiture applications. In regard to the optical design, a range of low dispersion elements, as well as one double aspherical element, contribute to a marked reduction in chromatic aberrations for greater image clarity and contrast throughout the aperture range.
Dedicated to the Leica S-series of medium-format digital cameras, this lens features an autofocus design along with electronic body-based aperture control. It features an inner focusing mechanism along with a floating element design to enhance close-range imaging capabilities. Housed within a metal barrel, this lens is dust- and weather-resistant to benefit its use in inclement conditions.