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Sigma 28-45mm f/1.8 DG DN Art Lens
Sigma 28-45mm f/1.8 DG DN Art Lens
Sigma introduces the 28-45mm f/1.8 DG DN Art Lens, the world's first zoom lens for full-frame mirrorless cameras with an f/1.8 aperture throughout the entire zoom range. Featuring prime-like optical performance and video-friendly design and functionality, its wide-to-normal focal range means a lighter kit bag without surrendering image quality.
Design and Performance
The lens features a total of 18 elements in 15 groups, with three aspherical and five Special Low Dispersion elements to minimize flare and ghosting and suppress various aberrations. This results in an optical performance that meets or exceeds that of other Sigma Art lenses, including the primes. Along with its 11-blade, rounded diaphragm, the design promotes sharpness and a large, smooth bokeh when used wide open.
In addition to the f/1.8 maximum aperture, the lens also maintains an 11.9" minimum focusing distance across the entire zoom range. It achieves a maximum magnification ratio of 1:4 at its longest focal length, increasing depth of field and versatility in tight spaces.
Video Production
Designed with video creation in mind, the lens' bright f/1.8 aperture and wide-to-normal zoom range make it a versatile tool ideal for single-shooter, run-and-gun setups. An internal zoom design maintains the overall length during use, making it easy to balance on gimbals. The design also suppresses focus breathing for smooth movement across the focal range. Sigma's high-speed, high-response linear actuator autofocus remains both quiet and accurate, while manual focusing is improved with click and lock mechanisms.
Two AFL buttons
Focus mode switch
Super multilayer and nano porous coatings
Water- and oil-repellent coating on front element
Dust- and splash-resistant design
Durable brass bayonet mount
Key Features:
Full Frame | f/1.8 to f/16
Superfast Wide-to-Normal Zoom
HLA Autofocus
11.9" Minimum Focus Distance
Aperture Ring with Click & Lock Switches
SLD and Aspherical Elements
Nano Porous & Super Multilayer Coatings
Dust & Splash Resistant
What's in the Box:
Sigma 28-45mm f/1.8 DG DN Art Lens
Lens Hood
Sigma LCF-82 III 82mm Lens Cap
Sigma LCR II Rear Lens Cap for Sony E
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Lexar Professional Gold 160GB CFexpress Type A 900MB/s Memory Card
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Sigma 28-45mm f/1.8 DG DN Art Lens
Sigma introduces the 28-45mm f/1.8 DG DN Art Lens, the world's first zoom lens for full-frame mirrorless cameras with an f/1.8 aperture throughout the entire zoom range. Featuring prime-like optical performance and video-friendly design and functionality, its wide-to-normal focal range means a lighter kit bag without surrendering image quality.
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The World's First Full-Frame Zoom Lens with a Maximum Aperture of F1.8
Sigma has successfully developed the world's first full-frame zoom lens with a maximum aperture of F1.8. The SIGMA 28-45mm F1.8 DG DN Art features an inner zoom mechanism, a minimum focusing distance of 30cm throughout the zoom range, and a filter size of φ82mm.
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Minimise Focus Breathing for Precise Composition
When employing conventional lenses, the angle-of-view may fluctuate as focus transitions between near and far distances, impacting precise composition. However, the Sigma 28-45mm F1.8 DG DN Art minimises this focus breathing, allowing for seamless and natural focus transitions, particularly advantageous during video recording.
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Exceptional Image Quality with Advanced Flare and Ghosting Reduction Technology
Advanced simulation technology has largely eliminated flare and ghosting, ensuring rich, high-contrast results. SIGMA’s Nano Porous Coating and Super Multi-Layer Coating further enhance resistance to backlighting, producing clear, saturated images in all lighting conditions.
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