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Sigma 28mm F1.4 DG HSM Art Lens for DSLR Cameras, SIGMA SA-Mount, Ideal for Street Photography

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Key Features
- Advanced Optics: FLD and SLD elements reduce chromatic aberration across the frame.
- Fast Aperture: f/1.4 maximum aperture for low-light shooting and subject separation.
- Aspherical Control: Large aspherical elements reduce distortion and off-axis aberrations.
- Smooth Bokeh: Rounded 9-blade diaphragm creates pleasing background blur.
- Weather Resistance: Dust and splash resistant construction with front fluorine coating.
- Reliable AF: HSM motor with updated algorithm for fast, quiet autofocus.
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Sigma 28mm F1.4 DG HSM Art Lens for DSLR Cameras, SIGMA SA-Mount, Ideal for Street Photography Overview
Description
The Sigma 28mm F1.4 DG HSM Art (L-Mount) is a full-frame wide-angle prime engineered for creative, low-light, and high-resolution imaging. Its advanced optical formula — including FLD and SLD glass elements, plus large aspherical elements — delivers strong center resolution and controlled aberrations at wide apertures, making it ideal for street, landscape, and astrophotography.
Light-gathering f/1.4 performance, a rounded 9-blade diaphragm, and a dust-and-splash-resistant design mean the lens balances creative shallow-depth-of-field capability with pro-level durability. This L-Mount variant retains Sigma Art series tuning and mount-specific dimensions and weight for robust handling on L-Mount mirrorless bodies.
- Advanced Optics: FLD and SLD elements reduce chromatic aberration across the frame.
- Fast Aperture: f/1.4 maximum aperture for low-light shooting and subject separation.
- Aspherical Control: Large aspherical elements reduce distortion and off-axis aberrations.
- Smooth Bokeh: Rounded 9-blade diaphragm creates pleasing background blur.
- Weather Resistance: Dust and splash resistant construction with front fluorine coating.
- Reliable AF: HSM motor with updated algorithm for fast, quiet autofocus.
The Sigma 28mm F1.4 DG HSM Art (L-Mount) is a full-frame wide-angle prime designed for photographers who need high resolution at open apertures, plus robust real-world reliability. It pairs an f/1.4 aperture with specialized FLD and SLD glass, delivering strong sharpness and controlled aberrations even in challenging lighting.
Problem
Photographers often sacrifice corner performance or weather resistance to get a fast wide-angle prime. Many fast optics introduce chromatic aberration, coma, or poor bokeh control at f/1.4. The Sigma 28mm f/1.4 addresses these issues with a tuned optical formula and pro-level sealing.
- I need sharp wide-angle shots at f/1.4 without heavy chromatic aberration.
- I require a lens that withstands outdoor use, rain, and dust.
- I want fast, quiet autofocus for run-and-gun shooting.
Supporting copy tied to the visuals: The hero and detail images together tell the lens' story — large aperture optics for low-light creativity, and the build quality you can rely on in unpredictable conditions. Seeing the front element and hood clarifies filter workflow for 77 mm accessories, while the mount detail reassures about durable bayonet engineering. These images affirm the lens' intended audiences: street and travel photographers who need fast wide-angle capability, landscape and astro shooters who prize corner control, and professionals who value solid mechanical design for long hours in the field. Photographers evaluating gear can cross-check image-based cues — the front-coating treatments, hood fit, and focus ring ergonomics — against technical specs like 17 elements in 12 groups, 9 rounded diaphragm blades, and a 0.28 m minimum focus distance. Together the imagery and specs bridge practical handling and creative output, making it easier to imagine how the Sigma 28mm F1.4 will perform on their L-Mount camera body.
Solution
The Sigma 28mm F1.4 DG HSM Art addresses common wide-angle prime compromises by combining a large-aperture f/1.4 design with a multi-element optical formula to suppress chromatic aberration and control coma. Its rounded diaphragm improves out-of-focus rendering, and the weather-sealed construction preserves reliability outdoors.
Benefits
- Low-Light Capability: f/1.4 lets you shoot in dim settings without high ISO penalty.
- Sharpness at Open Aperture: Optical design maintains resolution even wide open.
- Creative Bokeh: 9 rounded blades produce natural highlight roll-off.
- Field-Ready Durability: Dust, splash resistance, and fluorine front coating.
Applications
- Street and documentary photography, day and night
- Landscape and environmental portraits
- Astrophotography and low-light creative work
Why Choose
- Art-series optical tuning plus FLD/SLD elements for high resolving power at f/1.4
Specifications
| Model Name / Number | Sigma 28mm F1.4 DG HSM Art (L-Mount) |
| Lens Type (Prime, Zoom, Macro, Tilt-Shift, Fisheye, etc.) | Prime, Wide-angle |
| Intended Use | Photography |
| Weather Sealing (Yes/No) | Yes, dust and splash resistant |
| Dimensions (Diameter Length) | 82.8 mm 131.7 mm |
| Weight | 960 g |
| Mount Type | L-Mount |
| Compatible Sensor Size | Full-Frame (35 mm) |
| Coverage | 35mm full-frame |
| Focal Length | 28 mm |
| Maximum Aperture | f/1.4 |
| Minimum Aperture | f/16 |
| Aperture Type (Circular, Number of Blades) | Rounded, 9 blades |
| Optical Construction (Elements / Groups) | 17 elements / 12 groups |
| Special Elements | 2 FLD, 3 SLD, 3 aspherical elements |
| Coatings | Water- and oil-repellent coating on front element |
| Focus Type | Autofocus with HSM motor, full-time manual override |
| Minimum Focus Distance | 0.28 m / 11 in |
| Maximum Magnification Ratio | 1:5.4 (0.18) |
| Filter Thread Size (mm) | 77 mm |
| Compatible Lens Hood Model | Detachable lens hood with lock (included) |
| Brand | Sigma |
| Manufacturer SKU | 441956 |
| UPC | 00-85126-44169-2 |
- 1- Sigma 28mm F1.4 DG HSM Art (L-Mount)
- 1- Detachable lens hood (locking)
- 1- Front lens cap
- 1- Rear lens cap
- 1- Soft lens pouch
- 1- Warranty card / documentation
What’s included
- 1- 28mm F1.4 DG HSM Art Lens, SIGMA SA-Mount
- 1- Lens Hood
- 1- LCF-77 III 77mm Lens Cap
- 1- LCR II Rear Lens Cap
- 1- Lens Case
Compatibility
| Panasonic Lumix S5 | Panasonic Lumix S1 | Leica SL2 | Leica SL3 | Sigma fp |
| Panasonic Lumix S1R | Panasonic Lumix S1H | Panasonic Lumix S7 | Leica SL (Typ 601) | Sigma fp L |
| Panasonic Lumix S5II | Panasonic Lumix S9 |
FAQ
Is the Sigma 28mm F1.4 DG HSM Art available for L-Mount?
Yes, this listing is the L-Mount variant, UPC 00-85126-44169-2, compatible with L-Mount mirrorless bodies from Panasonic, Leica, and Sigma.
What is the maximum aperture and how does it help?
The maximum aperture is f/1.4, which allows more light for low-light shooting and enables shallow depth-of-field wide-angle compositions.
What is the filter thread size?
The lens uses 77 mm front filters, compatible with standard ND, CPL, and UV filters.
Does the lens have weather sealing?
Yes, the lens features dust and splash resistant construction and a water- and oil-repellent coating on the front element.
What is the minimum focus distance?
The minimum focus distance is 0.28 m (28 cm), with a maximum magnification of approximately 0.18 (1:5.4).
How many diaphragm blades does the lens have?
The lens has a rounded 9-blade diaphragm to improve highlight rendering and bokeh quality.
What optical elements are included to control aberrations?
The optical formula includes two FLD elements, three SLD elements, and three aspherical elements to reduce chromatic aberration and distortion.
Is a lens hood included?
Yes, a detachable lens hood with a locking mechanism is included in the box.
How heavy is the L-Mount version?
The L-Mount variant weighs 960 g, and measures 82.8 mm 131.7 mm in diameter and length.
Does the lens support full-time manual focus override?
Yes, the lens supports full-time manual override and uses an HSM motor for fast, quiet autofocus.
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