Sigma
Sigma SMA24-70MMII 24-70mm f/2.8 DG DN II Art Lens - Sony E
★★★★★
f/2.8
Sigma's second-generation 24-70mm f/2.8 Art lens delivers 3x faster autofocus and a closer minimum focus in a lighter body.
$1,319.00*
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Overview
Key Features
Sophisticated Optical Design: Six "F" Low Dispersion (FLD), two Special Low Dispersion (SLD) elements, and five aspherical elements markedly reduce chromatic aberrations and color fringing throughout the zoom range for improved clarity and color accuracy. Also, increased control over sagittal coma flare yields high resolution across the entire frame. In addition to superior optical performance, the five aspherical elements contribute to the lens' compact build with their thin, highly polarized construction. The lens was also designed to suppress focus breathing as the angle of view changes across the zoom range, creating natural-looking focus pulls when recording video.
Focus Faster, Focus Closer: The introduction of a linear motor high-response linear actuator (HLA) to drive the autofocus yields focusing speeds more than three times faster than its predecessor. At the wide-angle end of the zoom range, the minimum focusing distance improves to 6.7" with a maximum magnification of 1:2.7 to suit working with close-up subjects or in tight spaces.
Built Strong and Svelte: The aperture ring features both click and lock switches for improved handling during use. The robust internal structure features metal parts for the zoom extension, while the exterior boasts rubber seals in the mount to protect the lens from dust and moisture. Two integrated AF-L buttons can be programmed to adjust various shooting settings and the lens also features a dedicated AF/MF switch and a zoom lock switch to prevent the barrel from accidentally extended.
Specifications
Brand
Sigma
Model
SMA24-70MMII
Focal Length
24–70mm
Maximum Aperture
f/2.8 (constant)
Lens Mount
Sony E
Lens Type
Zoom
Optical Elements
6 FLD, 2 SLD, 5 aspherical
Autofocus Motor
High-Response Linear Actuator (HLA)
Minimum Focus Distance
6.7 inches (at 24mm)
Maximum Magnification
1:2.7
Aperture Ring
Click/de-click switch, lock switch
Focus Breathing
Suppressed
Weather Sealing
Rubber mount seals (dust and moisture)
Controls
2x AF-L buttons, AF/MF switch, zoom lock
Series
Art
Pros & Cons
👍 Pros
- HLA autofocus motor is over 3x faster than the predecessor, improving tracking and snap-to-subject speed.
- 6.7-inch minimum focus distance at 24mm with 1:2.7 magnification adds close-up versatility uncommon in standard zooms.
- Six FLD, two SLD, and five aspherical elements deliver excellent sharpness and minimal chromatic aberration across the zoom range.
- Clickable and de-clickable aperture ring with lock switch supports both photography and video workflows.
- Shorter and lighter than the first generation while maintaining the same f/2.8 constant aperture.
👎 Cons
- Sony E-mount only — not available for other mirrorless systems in this version.
- Constant f/2.8 aperture and premium optics result in a higher price point than variable-aperture alternatives.
- Dust and moisture sealing is limited to rubber mount seals without a full IP weather rating.
- Five aspherical elements, while contributing to compactness, can produce onion-ring bokeh patterns in certain out-of-focus highlights.
- No integrated optical image stabilization — relies entirely on in-body stabilization from the camera.
Frequently Asked Questions
How much faster is the autofocus compared to the original version?
Sigma states the new high-response linear actuator (HLA) motor delivers autofocus speeds more than three times faster than the first-generation 24-70mm f/2.8 DG DN Art lens.
Does this lens have a clickless aperture ring for video?
Yes. The aperture ring features a click switch that lets you toggle between clicked stops for photography and smooth, clickless rotation for video work.
What is the minimum focusing distance?
At the wide-angle end (24mm), the minimum focusing distance is 6.7 inches with a maximum magnification of 1:2.7, allowing you to get very close to your subject.
Is this lens weather sealed?
The lens features rubber seals at the mount to protect against dust and moisture, though Sigma does not rate it with a specific IP weather-sealing classification.
Does this lens exhibit focus breathing?
The optical design was engineered to suppress focus breathing, so the angle of view remains stable as focus shifts — a particularly useful feature for video recording.
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