/product/sigma-af-28-45mm-f-1-8-dg-dn-l-mount/
Specifications
Features
Description
Camera Type
Mirrorless (Sony E-mount, L-Mount)
Corresponding Mount
Sony E-mount, L-Mount
Angle of View
NA
Number of Diaphragm Blades
11 (Rounded)
Minimum Focusing Distance
11.9 in / 30 cm (across entire zoom range)
Maximum Magnification Ratio
1:4 (at 45mm)
Dimensions (Diameter × Length)
Sony E-mount: 3.5 in × 6.0 in / 87.8mm × 153.4mm; L-Mount: 3.5 in × 6.0 in / 87.8mm × 151.4mm
Weight
Sony E-mount: 33.5 oz / 950g; L-Mount: 33.9 oz / 960g
Case, Petal Type Hood (LH878-06), Front Cap (LCF-82 III), Rear Cap (LCR II)
REAR CAP LCR
Included (Rear Cap LCR II)
TRIPOD SOCKET TS-169
NA
PROTECTIVE COVER PT-69
NA
Edge-to-Edge Sharpness
Yes, delivers outstanding sharpness across the frame, even at F1.8, rivaling prime lenses.
Megapixel
NA
Brust Speed
NA
Stills base ISO
NA
Autofocus
Yes, HLA (High-response Linear Actuator) for high-speed, quiet, and precise autofocus.
Advanced Optical Construction
Yes, 18 elements in 15 groups, including 5 SLD and 3 aspherical elements.
High Precision & Aberration Correction
Yes, suppresses axial chromatic aberration, distortion, and other aberrations for clear images.
F1.4 Aperture with Full Image Quality
NA
Sagittal Coma Flare Correction
Yes, rigorously corrected to achieve sharp point images, ideal for astrophotography.
Anti-Ghosting & Flare Resistance
Yes, Nano Porous and Super Multi-Layer Coatings reduce flare and ghosting for high contrast.
Engineered for Extreme Performance
Yes, dust and splash-resistant structure with robust build for professional use.
Exceptional Image Reproducibility
Yes, achieves prime-like clarity and detail across the zoom range.
World’s Widest F1.4 Prime Lens
NA
Ideal for Astrophotography
Yes, with corrected sagittal coma flare for sharp star rendering.
Ultra-Wide 14mm Focal Length
NA
Bright F1.4 Aperture
NA
High Optical Performance
Yes, delivers prime-like optical performance with high resolution and smooth bokeh.
Correction of Sagittal Coma Flare
Yes, ensures sharp rendering of point light sources for astrophotography.
High-Speed Autofocus with HLA Motor
Yes, features HLA for fast, quiet, and precise autofocus.
Versatility
Yes, ideal for portraits, landscapes, events, weddings, video, and low-light photography.
Expressive Image Quality
Yes, produces large, smooth bokeh and high-resolution images for creative expression.