Leica APO-Summicron-M 90mm f/2.0 ASPH
SKU: 799429118846 Mfg Code: 11884
- Apochromatic colour correction and an aspherical lens surface are combined for the first time in this lens of this type. Of its five individual elements, two are made of high-refraction glass, while two others feature anomalous partial dispersion. Its brilliance and quality of resolution are exemplary even at full aperture. Light falloff is very low. Its fast aperture, for a 90 mm lens, lets you shoot at relatively short exposure times even in dim light, helping to minimize the effects of camera shake, for instance when photographing street scenes from a distance.
Angle of view (diagonal, horizontal, vertical) 27°, 23°, 15° Optical design Number of lenses/groups 5 / 5 Focal length 90.9 mm Position of entrance pupil 58.6 mm (related to the first lens surface in light direction) Focusing range 1 m to Infinity Distance setting Scales Combined meter/feet graduation Smallest object field 220 mm x 330 mm Largest reproduction ratio 1:9 Aperture Setting/Function With click-stops, half values available, manual diaphragm Lowest value 16 Bayonet Leica M quick-change bayonet with 6 bit lens identification bar code for digital M models Filter mount Internal thread for screw-in type filters E 55 Lens hood Built-in, telescopic Dimension and weight: Length 78 mm Largest diameter 64 mm Weight approx. 500 g
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