SIGMA AF 28-45mm F1.8 DG DN | Art Lens for Sony E-Mount
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SIGMA AF 28-45mm F1.8 DG DN | Art Lens for Sony E-Mount
Product Description
The SIGMA 28-45mm F1.8 DG DN | Art is a professional full-frame standard zoom lens for Sony E-Mount mirrorless cameras. It features a constant F1.8 maximum aperture throughout the 28-45mm zoom range, combining the flexibility of a zoom with the brightness and shallow depth of field normally associated with prime lenses.
Its advanced optical construction uses 18 elements in 15 groups, including five SLD and three aspherical elements, for high-resolution rendering across the zoom range. The HLA autofocus system provides fast and precise focusing, while the inner zoom design maintains a constant overall lens length. The lens is also designed to minimize focus breathing, making it suitable for both professional photography and video production.
Key Features
- 28-45mm standard zoom range
- Constant F1.8 maximum aperture
- Full-frame mirrorless lens
- Sony E-Mount
- 18 elements in 15 groups
- 5 SLD and 3 aspherical elements
- 75.4°–51.3° angle of view
- 11-blade rounded diaphragm
- 30cm minimum focusing distance throughout the zoom range
- Maximum magnification ratio of 1:4 at 45mm
- 82mm filter thread
- HLA high-response linear actuator autofocus
- Inner zoom mechanism
- Designed to minimize focus breathing
- Two AFL buttons
- Aperture ring with de-click function
- Dust- and splash-resistant structure
- Water- and oil-repellent front coating
Specifications
| Specification | Details |
|---|---|
| Brand | SIGMA |
| Series | Art |
| Model | 28-45mm F1.8 DG DN |
| Edition | A024 |
| Mount | Sony E-Mount |
| Focal Length | 28-45mm |
| Maximum Aperture | F1.8 |
| Minimum Aperture | F16 |
| Lens Type | Standard Zoom |
| Format | Full-Frame |
| Optical Construction | 18 Elements in 15 Groups |
| SLD Elements | 5 |
| Aspherical Elements | 3 |
| Angle of View | 75.4°–51.3° |
| Diaphragm Blades | 11, Rounded |
| Minimum Focus Distance | 30cm |
| Maximum Magnification | 1:4 at 45mm |
| Filter Size | 82mm |
| Autofocus | Yes |
| AF Motor | HLA |
| Image Stabilization | No |
| Dimensions | 87.8 × 153.4mm |
| Weight | 950g |
Ideal For
- Portrait Photography
- Wedding Photography
- Event Photography
- Street Photography
- Documentary Photography
- Travel Photography
- Lifestyle Photography
- Low-Light Photography
- Professional Video
- Filmmaking and Gimbal Shooting
Product Highlights
Constant F1.8 Aperture
The exceptionally bright F1.8 aperture remains constant throughout the 28-45mm zoom range, providing consistent exposure and strong depth-of-field control.
Prime-Like Optical Performance
SIGMA designed the lens to provide sharpness and clarity comparable to a prime lens across the entire zoom range, while retaining the versatility of a zoom.
Fast HLA Autofocus
The High-response Linear Actuator autofocus system provides fast and precise focusing performance for both still photography and video.
Inner Zoom Design
The inner zoom mechanism keeps the physical length of the lens constant during zooming, helping maintain a stable center of gravity for handheld and gimbal shooting.
Close Focusing
The lens can focus as close as 30cm throughout the entire zoom range, with a maximum magnification ratio of 1:4 at 45mm.
Professional Construction
The lens incorporates dust- and splash-resistant construction, a water- and oil-repellent front coating, two AFL buttons and an aperture ring with de-click functionality.
What's in the Box
- SIGMA 28-45mm F1.8 DG DN | Art Lens for Sony E-Mount
- Lens Case
- Lens Hood LH878-06
- Front Lens Cap LCF-82 III
- Rear Lens Cap LCR II
