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Black cylindrical camera lens with silver mount ring and focus ring, compact mirrorless prime design

SIGMA

Sigma 56mm f/1.4 DC DN Contemporary Lens for Canon EF-M, Black

SKU CH-ATKG-KMSGM

A compact 56 mm f/1.4 portrait prime for Canon EF-M mirrorless cameras, delivering 89.6 mm equivalent reach and bright low-light performance

  • Diameter55 mm
  • Focus systemAuto Focus
  • Lens focal length56 mm
  • Lens apertureMaximum: f/1.4 Minimum: f/16
  • Lens mountCanon EF-M
  • Viewing angle28.5
  • Fast f/1.4 aperture for low-light portraits
  • 56 mm focal length gives 89.6 mm equivalent on APS-C
  • 10 elements in 6 groups with SLD and aspherical glass
  • 64 ft minimum focus distance for close-up detail
  • Weighs 9.9 oz with 55 mm filter thread

Portrait prime for APS-C mirrorless

The Sigma 56mm f/1.4 DC DN Contemporary lens is built for Canon EF-M mount cameras. Its 56mm focal length gives an 89.6mm equivalent view that suits portrait work on APS-C sensors. The bright f/1.4 maximum aperture helps in low light and allows shallow depth of field. Autofocus is supported for quick, quiet operation.

Compact build with standard filter thread

The barrel measures 55mm in filter diameter and weighs 9.9oz, keeping the kit light for daily carry. Ten elements in six groups include one SLD and two aspherical pieces to control aberrations. Minimum focus distance is 1.64ft for closer framing options. No optical stabilisation is fitted, so steady technique or in-body stabilisation is needed.

Upgrades kit zooms for speed and rendering

Photographers moving from slower variable-aperture zooms gain over two stops of light gathering and smoother background separation. The fixed focal length encourages deliberate composition and consistent perspective. Buyers who need image stabilisation, weather sealing or a zoom range should consider other options.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $333.99
Cheaper than about 73% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Product typeFixed Length Lens
Product colorBlack
Audio & video
Focus systemAuto Focus
Lens focal length56 mm
Lens apertureMaximum: f/1.4 Minimum: f/16
Lens mountCanon EF-M
Viewing angle28.5
Closest focusing distance1.64
Optical construction10 elements in 6 groups
StabilizationNo
Auto-focusYes
Size & build
Diameter55 mm
Filter thread size55 mm
Product weight9.9 oz
Compatibility
Compatible withCanon EOS

Questions about this item

What does the Canon EF-M mount mean for the 56 mm focal length in practice?

The EF-M mount is designed for APS-C mirrorless bodies, so the 56 mm lens gives an 89.6 mm equivalent field of view suited to portrait work.

What physical space and filter size does the lens require?

The barrel uses a 55 mm filter thread and weighs 9.9 oz, so it fits standard 55 mm filters and adds minimal bulk to an EF-M body.

How is the lens attached and what step do users sometimes miss?

Align the white mount index on the lens with the white dot on the camera, twist clockwise until it clicks, then set the camera to AF mode so the stepping motor can drive focus.

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