Leica APO-Macro-Summarit-S 1:2.5/120
Apochromatically correct macro lens for close-ups with a reproduction ratio of 1 to 2 – also available with central shutter. The large aperture and short telephoto focal length make the camera also ideal for portraits and other applications over the entire range. The nine lens elements are manufactured partly from special glass with anomalous partial dispersion and high refractive power; a floating element ensures unmatched performance from infinity to extreme close-ups.
MACRO MEETS TELEPHOTO
The Leica Apo-Macro-Summarit-S 120 mm f/2.5 (CS) is a true dual-purpose lens: firstly, it is a macro lens for close-up photography up to a reproduction ratio of 1:2, and secondly, it is a fast telephoto lens. It achieves exceptional imaging performance and optimum contrast rendition at all apertures and distances. This brings fascinating options for exploring the creative opportunities offered by selective sharpness.
The optical design comprises nine elements in four groups. Three elements are made of glasses with anomalous partial dispersion, and two of these have extremely low dispersion to minimise chromatic aberrations. Thanks to front-group focusing and a floating element, consistently superior contrast rendition is assured even at close focusing distances. Simultaneously, sophisticated apochromatic correction ensures perfect resolution of even the finest details.
Optical design: Total focusing with floating element
Image angle: (diagonal, horizontal, vertical) approx. 25°, 21°, 14°, approx. corresponds to 96mm in 35mm format
Aperture range: 2.5 to 22
Shortest distance: 0.57 m
Largest image scale: 1:2
Filter thread size: 72 mm
Dimensions (diameter/length): 91 mm/128 mm
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