50mm F1.2 DG DN | A

As low as $1,399
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  • Bright F1.2 maximum aperture
  • High resolution from minimum to infinity focus
  • Rich and beautiful bokeh without color bleeding
  • Rounded diaphragm with 13 blades
  • Dual HLA focusing system
  • Lightest lens body in its class
  • Dust and splash-resistant structure
  • Water and oil repellent coating
  • Designed to minimize focus breathing
  • Designed to minimize flare and ghosting
  • Aperture ring with de-click function
  • Focus mode switch and AFL button
  • Compatible with Lens Aberration Correction*


*Function available on supported cameras only. Available corrections / functionality may vary depending on camera model.

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Explore the 50mm F1.2 DG DN | A

50mm F1.2 DG DN Art

For Sony & L-Mount shooters

SIGMA's DG DN lenses are made exclusively for mirrorless cameras, including Sony E-mount and L-Mount (SIGMA, Panasonic, Leica, and others) systems. These full-frame lenses are designed to take advantage of the benefits offered by mirrorless camera bodies, including more compact dimensions, in-camera corrections, and a variety of improved technologies.


Make sure you get your 4-Year Warranty

All SIGMA lenses come with a 4-Year Warranty in the US, but only if you buy from SIGMA America directly or a SIGMA Authorized Dealer. Grey market importers undercut legitimate retailers, deceive well-intentioned customers, and sell products that are ultimately not eligible for warranty service. Make sure you are buying from a trusted source so your lens is covered!


Lens Specifications
Lens Construction
17 elements in 12 groups
(4 aspherical elements)
Lens Construction
Angle of View
Number of Diaphragm Blades
13 (rounded)
Maximum Aperture
Minimum Aperture
Minimum Focusing Distance
40cm / 15.8 in.
Filter Size
Maximum Magnification Ratio
L-Mount: 745g / 26.3 oz.
Sony E-mount: 740g / 26.1 oz.
Dimensions (Diameter x Length)
L-Mount: 81 x 108.8mm / 3.2 x 4.3 in.
Sony E-mount: 81 x 110.8mm / 3.2 x 4.4 in.
What's in the BoxCase, LENS HOOD LH782-03, FRONT CAP LCF-72mm III, REAR CAP LCR II
Firmware Information

Learn more about the latest firmware.

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Camera Compatibility

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Geometrical MTF Chart
10 lines per millimeter measure the lens' contrast ability (red lines), repeating fine parallel lines spaced at 30 lines per millimeter measure the lens' sharpness ability (green lines), when the aperture is wide open.
Diffraction MTF Chart
Diffraction MTF takes diffracted light at every aperture into account which is very close to actual image data. Geometrical MTF does not consider the diffraction quality of light, yet it tends to show higher values than actual image.


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