Sigma 28-45mm F1.8 DG DN | Art - L-Mount

Sigma 28-45mm F1.8 DG DN | Art - L-Mount

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The Sigma 28-45mm F1.8 DG DN | Art is the world's first full-frame zoom lens with a constant aperture of F1.8, delivering sharpness and clarity compatible to that of a prime lens across the range. It is a lens that will inspire full-frame film-makers, while bringing unparalleled versatility to stills photographers. 

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Our order cut-off point for same-day dispatch is 3pm Monday-Friday (excluding bank holidays) for most orders, but 1pm for orders paid for using Finance. "Working Days" are Monday-Friday excluding any bank holidays. Please see Delivery Information for more information.

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Key Features:

  • Full-frame zoom lens
  • Constant F1.8 aperture across the range
  • High-speed AF
  • Weather-resistant
  • 11-blade rounded diaphragm
  • Inner zoom mechanism
  • Consistent 30cm close focus distance
  • Premium build at a lighter weight
  • Suppressed focus breathing

The World's First Constant F1.8 Zoom Lens

With a constant aperture of F1.8 throughout the zoom range, the 28-45mm F1.8 DG DN | Art Lens delivers sharpness and clarity akin to a prime lens. Despite this, the lens still provides another fast, portable and versatile tool to it's Art lineup. Equipped with fast and precise AF and superior operability, this innovative optic turns a new page in the history of zoom lenses and their creative possibilities. It is a lens that will inspire full-frame film-makers, while bringing unparalleled versatility to stills photographers. Incorporating an inner-zoom mechanism, minimum focussing distance of 30cm across the zoom range and a filter size of 82mm, size and weight are kept below 1kg making the lens a portable and versatile option for either hand-held shooting or a gimbal setup.

Excellent Optical Performance

Flare and ghosting are largely eliminated using advanced simulation technology, ensuring the lens renders rich, high-contrast results in all conditions. The lens uses Sigma's Nano Porous Coating and Super Multi-Layer Coating, producing superior resistance to backlighting and enabling clear saturated images in all lighting conditions. Axial chromatic aberration, which is particularly noticeable with large-aperture lenses, has been thoroughly suppressed and the lens delivers clear images with minimal coloration, from sharply focussed details to large, smooth bokeh. The lens features a contant minimum focussing distance of 30cm across the focal range, with a maximum magnification ratio of 1:4 at the long end, providing excellent close-up capabilities. 

High-speed AF and Innovative Features

The lens' AF mechanism uses an HLA (High-response Linear Actuator) to combine accelerated focussing speed with exquisite precision. Video-recording with no noise is not an issue thanks to the near-silent motor. Eqipped are an aperture ring, aperture ring click switch and aperture ring lock switch, allowing for aperture operation to suit the task at hand. Located on the side and top of the barrel are two customisable AFL buttons which can be easily reached in either a landscape or portrait shooting position. In addition to a dust and splash-resistant body, the front of the lens features a water and oil-repellent coating so that it can be used even outdoors in inclement conditions. A petal-type hood is included to help shield the lens from light and can be reversed for portability when not in use.

More Information
Weight 10.000000
Brand Sigma
MPN (Manufacurer product no) 612969
Condition New
EAN 0085126612696
Product Type Lens
Lens Mount Leica L-Mount
Maximum Aperture f/1.8
Lens Type Standard Zoom
Aperture Blades 11
Aperture Range F1.8-F16
What's in the box Front Cap LCF-82 III, Rear Cap LCR II, Lens Hood LH878-06, Case
Min Focus Distance 30cm
Auto Focus System HLA (High-response Linear Actuator)
Filter Size 82mm
Focal Length 28-45
Coating Nano Porous Coating
Weight 960g
Dimensions 87.8mm x 151.4mm