Sigma 18-35mm F1.8 DC HSM Lens

Sigma Logo

Fast, Bright Constant f/1.8 Aperture

Sigma 18-35mm F1.8 DC HSM Lens For Canon EF, Nikon F (DX), Pentax KAF, Sigma SA Bayonet, and Sony/Minolta Alpha DT
The Sigma 18-35mm f/1.8 DC HSM Lens is a wide-angle to normal-length zoom lens that features a fast, bright constant f/1.8 maximum aperture. It is specifically designed for use with APS-C-sized sensors and provides a 35mm-equivalent focal length range of 27-52.5mm.

The lens integrates four aspherical elements into its construction as well as five Special Low Dispersion (SLD) glass elements to help minimize various aberrations and distortions throughout the zoom range as well as provide greater image sharpness and clarity. A Super Multi-Layer Coating has also been applied to lens elements to reduce surface reflections, lens flare, and ghosting to produce images with higher contrast and color fidelity. The lens barrel design is constructed from a Thermally Stable Composite (TSC) material that is akin to metal in texture and resistance to temperature and environmental changes while also remaining lightweight and compact. An internal focusing and zooming mechanism also helps to maintain a compact and consistent overall length and non-rotating front ring also better enables the use of circular polarizing filters. For control of focus, a Hyper Sonic Motor (HSM) is used to ensure fast, precise, and quiet focusing capabilities that are well suited to continuous shooting and movie recording.

For updating lens firmware and fine-tuning its nuances to best suit your personal shooting, this lens is compatible with the Sigma USB Dock. The dock allows you to specify certain parameters and other settings through the Sigma Optimization Pro software, such as AF speed and focusing limitations.

Art Lens Line

    This lens is part of Sigma's Art line; deeming it well-suited to creative image making due to its large, constant f/1.8 maximum aperture and ability to produce aesthetic bokeh by way of a nine-blade circular diaphragm. The range of focal lengths it covers, from wide-angle to normal-length, is nicely situated for everyday and artistic shooting applications.
Optimized Lens Design
    Four aspherical lens elements, as well as the incorporation of five SLD glass elements, help to minimize the appearance of distortions and aberrations throughout the zoom range and provide clear imagery with enhanced sharpness. A Super Multi-Layer Coating also benefits the image quality by reducing reflections and flare and contributing to greater overall contrast and fidelity.
Hyper Sonic AF Motor
    The Hyper Sonic Motor provides fast, quiet, and smooth auto focusing that is well-suited for use with video applications. This AF motor can also be manually overridden at any time by rotating the focusing ring, giving you the ability to fine-tune image sharpness through manual focusing.
USB Dock
    Compatible with Sigma's USB Dock and Sigma Optimization Pro software for fine-tuning your lens' performance, updating its firmware, and better suiting it to your needs.
Other Lens Features
  • Constructed using a TSC compound material, this lens is lightweight while also exhibiting notable durability and resistance to environmental changes.
  • An internal focusing and zooming mechanism helps to maintain a consistent overall lens length and a non-rotating front ring facilitates more efficient use of circular polarizers.

Shop for the Sigma 18-35mm F1.8 DC HSM Lens at these stores
Link to Adorama Link to Amazon Link to B&H Photo

Lens type Zoom lens  
Max Format size APS-C / DX  
Focal length 1835 mm  
Image stabilization No  
Lens mount Canon EF, Nikon F (DX), Pentax KAF, Sigma SA Bayonet, Sony/Minolta Alpha DT  
Maximum aperture F1.8  
Minimum aperture F16.0  
Number of diaphragm blades 9  
Aperture notes Rounded diaphragm  
Elements 17  
Groups 12  
Special elements / coatings 5 SLD glass elements, 4 glassmold aspherical elements  
Minimum focus 0.28 m (11.02)  
Maximum magnification 0.23  
Autofocus Yes  
Motor type Ring-type ultrasonic  
Full time manual Yes  
Focus method Internal  
Distance scale Yes  
DoF scale No  
Weight 810 g (1.79 lb)  
Diameter 78 mm (3.07)  
Length 121 mm (4.76)  
Zoom method Rotary (internal)  
Filter thread 72 mm  
Hood supplied Yes  
Hood product code LH780-03


Sigma 18-35mm F1.8 DC HSM Lens

Know the Sigma lens you are looking for?
Go directly to the lens by using the drop-down menu below