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Sigma 28-45mm f/1.8 DG DN Art Lens for E-Mount

The World's Brightest Full-Frame Zoom

Sigma introduces the Sony E-Mount 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. This lens offers prime-like optical performance and a video-friendly design and functionality. Its wide-to-normal focal range allows for a lighter kit bag without sacrificing 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
Maximum Aperture
Minimum Aperture
Lens Mount
Sony E
Lens Format Coverage
Angle of View
75.4° to 51.3°
Minimum Focus Distance
11.9" / 30.2 cm
Macro Reproduction Ratio 1:4
Optical Design
18 Elements in 15 Groups
Diaphragm Blades
11, Rounded
Focus Type
Filter Size
82 mm (Front)
Dimensions (ø x L)
8.78 x 15.34 cm
0.950 kg

* Specifications subject to change by the manufacturer without notice.

  • Sigma 28-45mm f/1.8 DG DN Art Lens for E-Mount
  • Lens Hood
  • Sigma LCF-82 III 82mm Lens Cap
  • Sigma LCR II Rear Lens Cap for Sony E

Manufacturer Warranty

This product comes with a

24 month Australian warranty

from CR Kennedy & Company
(the sole authorised Australian Distributor)

Want to read more about warranties?

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* Dispatch timeframes are indications only and may vary for multiple quantities. Timeframes are updated regularly during normal business hours.