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Sigma 40mm f/1.4 Art DG HSM - E Mount

Abel Code: SIG-332965
Mfr. Code: 332965
Estimated to Ship Contact Sales For ETA
This 40mm lens features a fast f/1.4 maximum aperture, and is ideal for landscape, studio, or street photography. Features quiet AF and manual override.
Key Highlights
  • 40mm f/1.4 Prime Lens
  • 82mm Filter Thread Size
  • Sony E Mount


This 40mm f/1.4 DG HSM Prime Lens, part of Sigma’s Art line, has been redesigned, reengineered, and revitalized to offer exceptional image quality, plus focal point sharpness when wide open. Ideal for high-performance, professional DSLRs to shoot landscapes, studio or street photography.

The Sigma Art line of lenses aspires to achieve notable optical performance and suits creative applications. This lens fits right in with its fine art of lens crafting due to its lack of distortion and sharp imagery. Sigma’s 40mm f/1.4 features attractive bokeh due to the rounded diaphragm.


The HSM in the product's title refers to a Hyper Sonic Motor (HSM) which ensures smooth and quiet autofocus abilities. Sigma's AF algorithm and the ring-type AF motor can be interrupted to perform manual focus override at any time by turning the focus ring to refine your captured image. There should be no motor noise when you do this which is a boon for your audio post process. 

Lens Features

With 16 elements in 12 groups, and rounded iris aperture blades, this lens stops down to f/16. The design effectively arranges three FLD ("F" Low Dispersion) glass elements and three SLD (Special Low Dispersion) glass elements to correct axial chromatic aberration and magnification chromatic aberration. Designed for exceptional sharpness at maximum aperture, this lens excels at available light photography. With less than 1% distortion and near non-existent sagittal coma flare, this lens demonstrates consistent optical results featuring both 8K-compatible resolution and a beautiful bokeh.

Accepts 82mm round filters. Includes a lens hood which offers a secure fit due to its rubber connection. There is also a zippered, padded case to protect your lens in transport or storage.


As this lens features a Sony E Mount, you can pair it with any Sony alpha series camera, or any other camera compatible with the Sony E-Mount type.

The lens is compatible with the Sigma USB Dock (sold separately), to update firmware and fine-tune lens characteristics. Sigma developed special software, SIGMA Optimization Pro, to accomplish this.

NOTE: The DG in the title refers to the digital function of the lens.

What's in the Box

  • Limited 1-Year Warranty, against manufacturing and workmanship defects
  • Padded Lens Case
  • LH878-01 Lens Hood
  • LCR II Rear Lens Cap for Canon EF
  • LCF-82 III 82mm Front Lens Cap
  • Sigma 40mm f/1.4 Art DG HSM - E Mount


Key Highlights

  • 40mm f/1.4 Prime Lens
  • 82mm Filter Thread Size
  • Sony E Mount
  • MOD: 15.7" (40cm)
  • Quiet Autofocus

Lens Characteristics

Prime or Zoom:
Lens Mount:
E - Sony
Max Aperture F-stop:
Focus Scale:
Feet - Imperial
Lens Options:
Autofocus - Yes
Filter Thread Size:
Fixed Focal Length:
Max Dimensions (Diameter x Length):
3.5" x 5.2" - 87.8mm x 131mm
Elements & Groups:
16 elements in 12 groups
Minimum Focus Distance:
15.7" (40cm)
Max Angle of View:
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