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Sigma 50mm F1.4 EX DG HSM Standard Prime Lens for Sony DSLR Cameras
Designed for use with full frame digital cameras May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 90mm with most cameras
Designed with molded glass aspherical lens elements for superior corrections of chromatic aberration high image quality at all working distances
9-blade diaphragm creates a pleasant out-of-focus- effect on backgrounds
