Sigma 23mm F/1.4 DC DN | C
Sigma · 23 mm · f/1.4 · Contemporary
Score Breakdown
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What We Like
+Exceptional sharpness across the entire frame from wide-open f/1.4 aperture
+Versatile 35mm equivalent focal length ideal for street, travel, and portrait photography
+Extremely compact and lightweight (340-345g) for an f/1.4 lens with excellent build quality
+Beautiful bokeh and shallow depth of field for subject isolation
+Fast, quiet stepping motor autofocus with minimal focus breathing for video work
+Dust and splash-resistant construction with brass bayonet mount
Worth Knowing
−No optical image stabilization (relies on camera IBIS)
−No aperture ring—controlled via camera menu only
−Limited weather sealing compared to premium lenses with internal seals
−Bokeh not as smooth as some premium alternatives
General | |
|---|---|
About This LensThe Sigma 23mm f/1.4 DC DN Contemporary is a fast-aperture wide-angle prime designed for APS-C mirrorless cameras that delivers high resolution and beautiful bokeh through its large f/1.4 maximum aperture. Despite weighing only 340g, this lens offers sleek yet robust build quality with exceptional optical performance and very sharp results across the whole frame at all aperture settings. The 35mm equivalent focal length makes it a versatile choice well-suited to street photography, landscapes, wider-angle portraits, weddings and travel. | |
| Brand | Sigma |
| Release Year | 2024 |
Production Status ⓘCurrent status of lens manufacturing (e.g., in production, discontinued). |  In Production |
Version ⓘThe iteration or release number of a particular lens model. | I |
Pro Branding ⓘSpecific branding codes used for professional-tier lenses. | Contemporary |
Lens Mount ⓘThe lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras. | Sony E |
System ⓘIndicates which camera system the lens is designed to attach to. | Sony E APS-C |
Maximum Format ⓘLargest sensor size compatible with the lens. |  APS-C |
Physical | |
| Lens Weight | 345 g |
Lens Diameter ⓘWidth of the lens at its widest point | 69 mm |
Lens Length ⓘHow long the lens is from front to back. | 76.9 mm |
Front Filter Compatible ⓘSome lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove. |  Yes |
Front Filter Size ⓘDiameter of attachable filters. | 52 mm |
Optics | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 23 mm |
Aperture Range ⓘLargest aperture at the lens's shortest focal length to longest focal length (aperture range start - end) | 1.4 |
| Focal Length Angle of View | 63.038320386245566° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 18 mm |
Diaphragm Type ⓘStructure and design of the aperture |  Automatic |
Blades ⓘNumber of diaphragm blades in aperture | 9020 |
Zoom Lens ⓘZoom allows you to vary the focal length, change between long shots and close-ups | No |
Closest Focusing Distance ⓘMinimum distance for a subject to be in focus. | 25 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 0.14x |
| Autofocus Mode |  Yes |
| Manual Mode |  Yes |
| Manual Focusing Ring |  Yes |
Features | |
Weather Sealing ⓘWeather sealing capabilities will give you more confidence when shooting in unfavourable conditions. |  Yes |
Fluorine Coating ⓘCoating to repel water and oil from lens elements. | No |
| Built In Lens Hood | No |
| Lens Hood Type |  Petal (Bayonet-type) |
Teleconverter ⓘA teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification |  Yes |
| Image Stabilization | No |
Construction | |
Elements ⓘLens elements refer to individual pieces of glass within the lens. | 13 |
| Groups | 10 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 1 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 1 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 0 |
Internal Focusing ⓘInternal Focusing means that the lens does not change in size during focusing, and the front element does not rotate. |  Yes |