Sigma 18-35mm f/1.8 DC HSM Art Series Lens - Pentax
The technical details behind this lens
Sigma 18-35mm f/1.8 DC HSM Art Series Lens - Pentax offers remarkable performance and design. This lens features a Hyper Sonic Motor (HSM) that delivers fast, quiet, and smooth auto focusing that is perfectly suited for use with video applications. This AF motor can be manually overridden at any moment by rotating the focusing ring, offering the ability to fine-tune image sharpness through manual focusing. In regard to the optical design, the lens offers One aspherical lens element, as well as the incorporation of SLD glass, which helps to reduce the appearance of distortions and aberrations throughout the zoom range and deliver clear imagery with improved sharpness. The use of Thermally Composite Material (TSC) reduces size and weight but increases the accuracy of the lens construction.
Super Multi-Layer Coating
This feature benefits the image quality by reducing reflections and flare and contributing to greater overall contrast and fidelity.
Perfectly suited for creative image making due to its large, constant f/1.8 maximum aperture and a 9 blade rounded diaphragm creates a beautiful background blur.
- Hyper Sonic AF Motor
- Aperture Range: f/1.8-16
- Fast Constant Maximum Aperture
- Designed for APS-C-Sized Sensors
- 35mm Equivalent Focal Length: 28.8-56mm
Top three Reasons we think you will love this lens
- Features One Aspherical Element and SLD Glass
- Internal Focusing and Zoom Design
- Super Multi-Layer Coating
Our expert's opinion
Truly a revolutionary product, the Sigma 18-35mm 1.8 DC HSM is the first wide-angle to standard zoom lens to achieve a large aperture of 1.8. Tapping into Sigma’s long history of lens innovations, the 18-35mm 1.8 DC HSM incorporates a wide glass-molded aspherical lens with Special Low Dispersion (SLD) glass to compensate for aberrations and curvature at the widest angle. Internal focusing and zooming allow for more usability and functionality. The 18-35mm is ideal for landscape photography, portrait photography, still, life photography, snapshots, casual photography, and close-ups and the Hyper Sonic Motor (HSM) ensures smooth, fast, and accurate autofocusing. Its new Global Vision design works features compatibility with the Sigma USB dock for further customization. The Sigma 18-35mm 1.8 DC HSM is a new benchmark in photographic history and a must-have for every camera bag.