Sigma 50mm f1.4 DG DN Art Lens - Sony FE Mount
Superb optical performance across the frame
High-response Linear Actuator (HLA) AF motor
Slim and compact body
Dust and splash-resistant structure
Aperture ring with de-click function

Sigma 351965 56mm F1.4 DC DN Contemporary For Sony E, Black
Provides great bokeh thanks to its maximum opening of F1.4
A member of the High Performance Contemporary Line, with the latest SIGMA technologies
Stunningly compact construction with high image quality that rivals the Art SIGMA line
Dust-proof and splash-proof frame, 9-sheet rounded diaphragm
Note: the lens is not full frame and is for APS-C cameras
Maximum magnification ratio : 1：7.4

Sigma - 56 mm-F/1.4 (C) AF DC DN lens, Fuji X-MOUNT mount mount
The lens combines compactness and lightness with a brightness of F1.4.
Fast and quiet autofocus thanks to the adoption of a stepper motor.
Sharper images even in critical light conditions thanks to the super multi-layer coating of the lenses.
Built in Japan with skilled craftsmanship.