Sigma 18-35mm f/1.8 DC HSM Art Lens for Nikon F

Nikon F 18-35mm f/1.8 Art Zoom

Distinguished by a uniquely fast and versatile configuration, the Nikon F-mount Sigma 18-35mm f/1.8 DC HSM is an Art-series zoom, covering wide-angle to normal focal ranges.
A constant f/1.8 maximum aperture supports difficult lighting and strong depth-of-field control at every focal length.
SLD and aspherical elements suppress distortion, color fringing, and other aberrations to retain clarity and sharpness.
The Super Multi-Layer Coating limits flare and ghosting, supporting accurate color and stronger contrast.
Balancing the optical merits, this 18-35mm additionally sports an enhanced Hyper Sonic Motor, along with an onboard focusing configuration, to promote fast, quiet, and accurate autofocus performance.
As part of the Art range inside Sigma's Global Vision range, this lens is developed to achieve genuinely notable optical performance and is ideally appropriate for creative and artistic uses.
Wide-to-normal zoom is developed for DX-format Nikon F-mount cameras and delivers a 27-52.5mm equivalent focal-length range.
Impressively high-luminance constant f/1.8 maximum aperture is appropriate for working in low-light situations and additionally provides increased control over the concentrate position when using shallow depth-of-field techniques.
Five Special Low Dispersion (SLD) priorities are featured in the optical configuration and help to lower colour fringing and chromatic aberrations for improved definition and colour accuracy.
Four aspherical elements are employed to help limit distortion and spherical aberrations and additionally contribute to increased total sharpness and accurate rendering.
A Super Multi-Layer Surface treatment has been applied to optics elements in order to minimize optics flare and ghosting and contribute to generating contrast-rich and color-neutral imagery, even in backlit situations.
Built-in HSM (Hyper Sonic Motor), along with an onboard focusing configuration, realizes fast and quiet autofocus, which is additional complemented by an optimized AF algorithm to produce more fluid focusing performance.
The HSM additionally permits continuous manual concentrate control simply by rotating the concentrate ring at any time.
Curved nine-blade diaphragm contributes to a level and pleasing bokeh quality.
Constructed through a Thermally Stable Composite (TSC) surface for increased accuracy and use in wide temperature variations.
Additionally, a brass bayonet affords improved installation accuracy and stiffness.
this optics is compatible with the optional Sigma USB Dock for fine-tuning distinct lens characteristics and updating the unit's firmware.
 
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