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SIGMA
SIGMA 30mm f/1.4 DC DN Contemporary Lens for Canon EF-M
Fixed 30 mm focal length with bright f/1.4 aperture for Canon EF-M mirrorless cameras
- Part302971
- TypeFixed Length Lens
- ColorBlack
- Diameter52mm
- CompatibilityCanon EOS
- Focus TypeAuto Focus
- 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.
Highlights
- 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
Specifications
| Brand | SIGMA |
|---|---|
| Model | 302971 |
| Part Number | 302971 |
| Part | 302971 |
| Type | Fixed Length Lens |
| Color | Black |
| Diameter | 52mm |
| Compatibility | Canon EOS |
| Focus Type | Auto Focus |
| Focal Length | 30 mm |
| Aperture | Maximum: f/1.4 Minimum: f/16 |
| Camera Mount | Canon EF-M |
| Angle of View | 50.7 |
| Minimum Focus Distance | 11.8 |
| Lens Construction | 9 elements in 8 groups |
| Filter thread (Diameter) | 52 mm |
| Image Stabilization | No |
| Autofocus | Yes |
| Dimensions | 9.1 in x 9.1 in x 9.1 in |
| Weight | 1.75 |
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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