Sigma

Sigma 18-50mm f/2.8-4.5 DC OS HSM Lens Sigma SLR

4.1 (256 reviews)
f/2.8

Capture Stunning Images with the Sigma 18-50mm f/2.8-4.5 LensThe Sigma 18-50mm f/2.8-4.5 DC OS HSM lens is designed for Sigma digital SLR cameras with APS-C size image sensors. Featuring a large aperture and Sigma’s Optical Stabilization (OS) system, this lens excels in low-light conditions and p...

$298.00*
Check availability

*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Capture Stunning Images with the Sigma 18-50mm f/2.8-4.5 Lens

The Sigma 18-50mm f/2.8-4.5 DC OS HSM lens is designed for Sigma digital SLR cameras with APS-C size image sensors. Featuring a large aperture and Sigma’s Optical Stabilization (OS) system, this lens excels in low-light conditions and provides exceptional image quality.

With its versatile zoom range, advanced optical design, and quiet Hyper Sonic Motor (HSM), the Sigma 18-50mm lens is perfect for a wide range of photography applications, from indoor shots to landscape vistas.

Key Features

Sigma 18-50mm f/2.8-4.5 SLD Aspherical DC Optical Stabilized (OS) Lens with Hyper Sonic Motor (HSM) for Nikon Digital SLR Cameras 861306 / 861-306 + UV Filter + Care Package

Optical Stabilizer: Sigma's own OS System and Large Aperture/Wide Angle: Superior low light photos

High Image Quality: Two SLD glass elements and three Aspherical lenses corrects all aberrations

HSM Autofocusing for Canon D-SLR Cameras with An inner focusing system eliminates front lens rotation, making the lens particularly suitable for using the petal-type lens hood (supplied) plus circular polarizing filters.

Specifications

Focal Length
18-50mm
Maximum Aperture
f/2.8-4.5
Optical Stabilization
Sigma OS System
Glass Elements
2 SLD (Special Low Dispersion)
Lens Elements
3 Aspherical
Autofocus Motor
Hyper Sonic Motor (HSM)
Focusing System
Inner Focusing System
Compatibility
Nikon Digital SLR Cameras
Included Accessories
UV Filter, Care Package, Petal-type Lens Hood

Pros & Cons

👍 Pros

  • Equipped with Sigma's Optical Stabilizer (OS) system, enhancing low-light performance and reducing blur from camera shake.
  • Features a large aperture (f/2.8-4.5), suitable for superior low-light photography and achieving creative depth of field.
  • High image quality is achieved through two SLD glass elements and three aspherical lenses, correcting various aberrations.
  • The Hyper Sonic Motor (HSM) autofocus system provides fast, quiet, and precise focusing for capturing critical moments.
  • An inner focusing system eliminates front lens rotation, which is ideal for using polarizing filters and the supplied petal-type lens hood.

👎 Cons

  • This lens is specifically designed for Nikon Digital SLR cameras, limiting its compatibility to that brand and mount.
  • The aperture range of f/2.8-4.5, while generally good, is variable, meaning the maximum aperture decreases at longer focal lengths.
  • While it includes two SLD glass elements and three aspherical lenses, specific details on how effectively all aberrations are corrected are not provided.
  • The product bundle includes a UV filter and care package, which may be redundant for users who already own such accessories.
  • The "DC" designation indicates it is designed for APS-C sensors and may exhibit vignetting or reduced image quality if used on full-frame cameras.

Frequently Asked Questions

Yes, it is equipped with Sigma's Optical Stabilizer (OS) system, which helps to reduce camera shake and improve image sharpness, especially in low light.
With a large aperture of f/2.8-4.5, this lens is designed to perform well in low-light conditions, allowing for brighter images.
The lens achieves high image quality through the use of two SLD glass elements and three aspherical lenses, which work to correct various aberrations.
It features a Hyper Sonic Motor (HSM) for autofocusing, providing fast, quiet, and precise focusing capabilities.
Yes, the lens incorporates an inner focusing system that eliminates front lens rotation, making it particularly suitable for using circular polarizing filters and the included petal-type lens hood.
This specific Sigma 18-50mm f/2.8-4.5 DC OS HSM lens is designed for Nikon Digital SLR Cameras.