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Black cylindrical lens with silver mount ring and 52mm filter thread

SIGMA

SIGMA 30mm f/1.4 DC DN Contemporary Lens for Canon EF-M

SKU CH-94C3-VGE02

Fixed 30 mm focal length with bright f/1.4 aperture for Canon EF-M mirrorless cameras

  • Part type or number302971
  • Diameter52 mm
  • Focus systemAuto Focus
  • Lens focal length30 mm
  • Lens apertureMaximum: f/1.4 Minimum: f/16
  • Lens mountCanon EF-M
  • Bright f/1.4 aperture enables shallow depth of field
  • 30mm focal length gives natural 50.7° angle of view
  • Close 11.8cm minimum focus for detailed near subjects
  • Light 1.75kg weight suits all-day mirrorless shooting
  • 52mm filter thread accepts common circular filters

Prime lens for Canon EF-M

The Sigma 30mm f/1.4 DC DN Contemporary is a fixed focal length lens built for Canon EOS M-series mirrorless cameras. It covers a 30mm field of view with a maximum aperture of f/1.4 and a minimum of f/16. The optical design uses nine elements in eight groups, including two aspherical elements, to deliver sharp image quality. It suits photographers who want a bright, compact prime for everyday shooting.

Compact build with 52mm filter thread

The barrel measures 9.1 inches in each dimension and weighs 1.75 units, making it easy to carry for extended periods. A 52mm filter thread accepts standard screw-in filters and the supplied extra-long hood with anti-reflective coating. Autofocus is driven by a stepping motor for quiet operation, though the lens lacks optical image stabilization. The minimum focus distance of 11.8 units allows close-up work.

Upgrade from kit zooms for low light

This prime replaces variable-aperture kit zooms when you need consistent f/1.4 brightness for indoor or evening scenes. The wide aperture creates shallow depth of field and smooth bokeh that slower zooms cannot match. The jump is worth it if you shoot portraits, street scenes or video in available light and can work without stabilization. Buyers who need zoom flexibility or built-in shake reduction should look elsewhere.

How it compares

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

Price $265.99
Cheaper than about 79% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Model name302971
Part number302971
Part type or number302971
Product typeFixed Length Lens
Product colorBlack
Audio & video
Focus systemAuto Focus
Lens focal length30 mm
Lens apertureMaximum: f/1.4 Minimum: f/16
Lens mountCanon EF-M
Viewing angle50.7
Closest focusing distance11.8
Optical construction9 elements in 8 groups
StabilizationNo
Auto-focusYes
Size & build
Diameter52 mm
Filter thread size52 mm
Product dimensions9.1 in × 9.1 in × 9.1 in
Compatibility
Compatible withCanon EOS

Questions about this item

What does the Canon EF-M mount mean for the 30mm focal length on APS-C sensors?

The lens is built for Canon EOS M mirrorless cameras and delivers a 50.7° angle of view at 30mm.

What filter size and hood clearance does the 52mm thread need?

The filter thread is 52mm and the supplied hood is extra-long with an anti-reflective coating.

How is the lens attached and what alignment step is often missed?

Align the white mount index on the lens barrel with the matching mark on the EOS M body, then twist until it clicks.

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