Sigma 28-45mm f1.8 DG DN | ART Lens for Sony E Mount
Sigma 28-45mm f/1.8 DG DN | Art (Sony E-Mount) The World’s First Full-Frame f/1.8 Zoom Sometimes, a lens comes along that completely rewrites the rules. The Sigma 28-45mm f/1.8 DG...
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Sigma 28-45mm f/1.8 DG DN | Art (Sony E-Mount)
The World’s First Full-Frame f/1.8 Zoom
Sometimes, a lens comes along that completely rewrites the rules. The Sigma 28-45mm f/1.8 DG DN | Art is exactly that—the very first zoom lens for full-frame mirrorless cameras to offer a constant f/1.8 aperture across its entire focal range.
Designed for low-light event photographers, astrophotographers, and run-and-gun videographers, this lens essentially replaces a bag full of fast prime lenses (like a 28mm, 35mm, and 45mm) with a single, highly versatile zoom. It delivers the insane light-gathering capabilities and razor-thin depth of field normally reserved for primes, without forcing you to constantly swap lenses in the middle of a shoot.
Why You'll Love This Lens:
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Unmatched Low-Light Performance: The constant f/1.8 aperture lets in over twice as much light as a standard f/2.8 zoom. Whether you are shooting a dimly lit wedding reception, a moody concert, or the night sky, you can keep your ISO low for the cleanest possible files.
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Prime-Level Sharpness: Sigma’s Art lenses are legendary for their optical perfection, and this is no exception. With an advanced 18-element optical design, it delivers blistering sharpness, beautiful bokeh, and excellent control over flaring and color fringing wide-open at f/1.8.
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Built for Video (Internal Zoom): Videographers will immediately appreciate the internal zoom mechanism. The lens barrel does not extend when you change focal lengths, meaning its center of gravity remains perfectly consistent. You can zoom freely without ever having to rebalance your gimbal.
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Pro-Level Handling: It is packed with tactile controls, including a click/de-click aperture ring for smooth exposure transitions during video, an aperture lock switch, two customizable AFL buttons, and Sigma’s lightning-fast, near-silent HLA autofocus motor.
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Close-Up Ready: With a minimum focusing distance of just 11.9 inches (30.2 cm) across the entire zoom range, you can capture stunning, detailed close-ups with a maximum magnification ratio of 1:4.
Technical Specifications
| Specification | Detail |
| Mount | Sony E-Mount (Full-Frame) |
| Focal Length | 28-45mm |
| Maximum Aperture | f/1.8 (Constant) |
| Minimum Focus Distance | 30.2 cm / 11.9 inches |
| Autofocus Motor | HLA (High-response Linear Actuator) |
| Filter Thread | 82mm |
| Dimensions | 87.8mm x 153.4mm / 3.5 x 6 inches |
| Weight | 950g / 2.1 lbs |
| Weather Sealing | Dust and splash-resistant structure |
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