Sigma 28mm F1.8 EX DG ASPH Lens
The Sigma 28mm f/1.8 is a 28mm f/1.8 lens designed for Canon EF, Nikon F, Sony A, Pentax K, Sigma SA mount cameras. Used copies start from $146.54 on GearFocus, with buyer protection on every purchase.
Sigma 28mm F1.8 EX DG ASPH Lens
Used Sigma 28mm f/1.8 Listings on GearFocus
Lens Overview — Sigma 28mm f/1.8
Key Features — Sigma 28mm f/1.8
28mm F1.8 Prime: A fast wide-angle focal length well-suited for street photography, environmental portraits, architecture, and low-light shooting.
Full-Frame Coverage: Designed to cover the full 35mm frame, making it compatible with both full-frame and APS-C DSLR bodies.
Aspherical Lens Element: The ASPH designation indicates an aspherical element that helps reduce distortion and spherical aberration common in fast wide-angle lenses.
EX DG Build Quality: Sigma's EX series designation indicates a higher-grade construction with tighter tolerances and a more refined finish.
Auto and Manual Focus: Supports both autofocus and manual focus, giving shooters flexibility across different shooting conditions and styles.
Multiple Mount Options: Available in Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts, covering a wide range of DSLR camera systems.
Lens Specifications — Sigma 28mm f/1.8
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Landscape, Travel, Street |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 28mm |
| Maximum Aperture | f/1.8 |
| Camera System | DSLR |
| Lens Mount | Canon EF, Nikon F, Sony A, Pentax K, Sigma SA |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 77mm |
Description — Sigma 28mm f/1.8
The Sigma 28mm F1.8 EX DG is a prime wide-angle lens built for full-frame DSLR systems. With a maximum aperture of f/1.8, it provides meaningful light-gathering capability and the ability to achieve subject separation even at a wide 28mm focal length — a combination that opens up creative possibilities for low-light and selective-focus shooting. The lens is offered in five mount options: Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA, giving it broad reach across the DSLR ecosystem.
Both autofocus and manual focus are supported, offering flexibility depending on the shooting scenario. The 77mm filter thread is a practical touch, aligning with one of the most widely used filter sizes in the industry. At 450g, the lens strikes a balance between substance and portability.
There is no image stabilization, so steady technique or appropriate shutter speeds are important considerations when shooting handheld. Overall, this is a straightforward fast wide-angle prime for full-frame DSLR photographers seeking an f/1.8 option at 28mm.
Pros — Sigma 28mm f/1.8
- ✓Fast f/1.8 maximum aperture delivers strong low-light performance and background separation at a wide 28mm focal length
- ✓Full-frame coverage ensures compatibility with both full-frame and smaller-sensor DSLR bodies
- ✓Broad mount compatibility across Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA systems
Cons — Sigma 28mm f/1.8
- ✗No image stabilization, which can be a drawback for handheld shooting in low light at 28mm
- ✗Available only for DSLR mounts — no mirrorless native mount options listed
- ✗Single focal length with no zoom flexibility, limiting compositional versatility without physically repositioning
Reviews — Sigma 28mm f/1.8
Videos — Sigma 28mm f/1.8
The Sigma 28mm F1.8 EX DG ASP Macro — Somsak Phorkha Photography