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Black cylindrical zoom lens with silver focus ring and silver distance scale markings, Nikon F mount visible at rear

SIGMA

SIGMA 17-50mm F/2.8 EX DC OS HSM FLD camera lens for Nikon

SKU CH-MXA0-EP25Z

Wide-to-standard zoom for APS-C DSLRs with constant f/2.8 aperture, optical stabilisation, hyper sonic motor and FLD glass for sharp images

  • Product typeZoom Lens
  • Product colorBlack
  • Constant f/2.8 aperture across the zoom range for low-light shooting
  • Optical stabilizer enables steadier handheld images at slower speeds
  • Hyper sonic motor delivers quick and quiet autofocus performance
  • FLD glass plus aspherical elements correct aberrations for sharp results
  • 77 mm filter thread accepts standard circular filters

APS-C zoom with constant f/2.8

The Sigma 17-50mm F/2.8 EX DC OS HSM FLD is a wide-to-standard zoom built for APS-C DSLRs. A fixed f/2.8 aperture runs through the entire range, making it practical for low-light work and consistent exposure while zooming. Hyper Sonic Motor autofocus and Optical Stabilizer assist handheld shooting. FLD glass and aspherical elements correct aberrations across the frame.

Thermals, noise and power

This lens has no active cooling, so it produces no fan noise and draws no electrical power beyond what the camera body supplies for autofocus and stabilization. The Hyper Sonic Motor operates quietly during focus acquisition. Optical Stabilizer engagement is silent in normal use. Heat generation is negligible during extended shooting sessions.

77 mm filter thread

The front accepts 77 mm filters, a single specification that determines compatibility with circular polarisers, neutral-density filters and protection glass you may already own. If your filter set uses a different diameter, step-up or step-down rings will be required. The lens ships with a dedicated hood and both front and rear caps.

How it compares

Measured against everything we stock in Interchangeable Camera Lenses, at today’s prices. Recalculated every night.

Price $689.99
Pricier than about 63% of the 2,570 comparable items (median $546.49).

Specifications

Product
Brand nameSIGMA
Product typeZoom Lens
Product colorBlack

Questions about this item

How do I attach this lens to my Nikon DSLR and what step is often missed?

Mount the lens on the Nikon F-mount, then flip the OS switch on the barrel to On; many shooters forget to enable the optical stabilizer before shooting handheld.

What part will need cleaning or replacement after extended use?

The 77 mm front filter thread collects dust and fingerprints; clean the multi-coated glass regularly and replace the petal hood if its bayonet tabs wear loose.

At what aperture does diffraction start to soften detail during long depth-of-field work?

Diffraction becomes noticeable beyond f/22, the minimum aperture, so avoid stopping down further when maximum sharpness is required.

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