Sigma 17-50mm F2.8 EX DC OS HSM Lenses (English page)

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Sigma 17-50mm F2.8 EX DC OS HSM Lenses: A Versatile Tool for Photographers

**Introduction**

The Sigma 17-50mm F2.8 EX DC OS HSM lens is a versatile and high-performance lens designed for digital cameras with APS-C sensors. This lens belongs to Sigma’s popular “Contemporary” lens line, offering a wide range of focal lengths combined with a fast aperture of f/2.8. It is an ideal choice for various types of photography, including landscapes, portraits, street photography, and events.

Key Features

  • Optical Performance: The lens features a high-quality glass construction with three aspherical lens elements and two FLD (low dispersion) glass elements. This ensures minimal chromatic aberration, distortion, and optimal image sharpness throughout the zoom range.
  • Wide Aperture: With a constant maximum aperture of f/2.8, this lens allows for excellent low-light performance while providing a shallow depth of field for creative bokeh effects. It is a perfect companion for shooting in challenging lighting conditions or achieving professional-looking portraits.
  • Image Stabilization: The lens incorporates Sigma’s Optical Stabilizer (OS) system, which minimizes camera shake and enables handheld shooting at slower shutter speeds. This feature is especially useful when shooting in low-light situations or when using longer focal lengths.
  • Fast and Silent Autofocus: The lens utilizes Sigma’s Hyper Sonic Motor (HSM), providing fast and accurate autofocus performance. The autofocus is also virtually silent, making it suitable for shooting video without disrupting audio recording.
  • Durable Build: The lens construction is solid and well-built, with a metal mount and a robust feel. It is designed to withstand frequent use and is resistant to dust and moisture, ensuring reliable performance even in challenging shooting environments.

Release Date and Pricing

The Sigma 17-50mm F2.8 EX DC OS HSM lens was released in 2010. It quickly gained popularity among photographers due to its excellent optical performance, versatility, and competitive price point. At the time of its release, it was priced around $600.

**Conclusion**

The Sigma 17-50mm F2.8 EX DC OS HSM lens is a valuable addition to any photographer’s kit. With its wide zoom range, fast aperture, image stabilization, and reliable performance, it offers excellent versatility for various photography genres. Whether you are a hobbyist or a professional, this lens delivers outstanding image quality and is an excellent investment in your photography journey.

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