| http://www.w3.org/ns/prov#value | - tion and superior contrast Three aspherical lens elements minimize distortion, especially at the periphery, for superior optical performance SWM (Silent Wave Motor) for swift autofocusing with superior accuracy and ultra-quiet operation The rounded diaphragm opening (7 blades) makes out-of-focus elements appear more natural M/A mode allows rapid switching between autofocus and manual even during
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