Sigma announces 120-400mm f/4.5-5.6 lens for Sony, Pentax DSLR mounts

Summary:Sony and Pentax are finally getting a crack at the Sigma APO 120-400mm F4.5-5.6 DG OS HSM optically-stabilized lens, set to become available very soon.

While already available for several other brands, Sony and Pentax are finally getting a crack at the Sigma APO 120-400mm F4.5-5.6 DG OS HSM optically-stabilized lens, set to become available very soon.

Sigma seems to be trying to play catch-up when it comes to lenses for Sony and Pentax mounts, as just last month the lens manufacturer announced the APO 150-500mm for full-frame DSLRs made by these two camera brands.

This particular Sigma lens is equipped with several professional-level qualities, including a coating to reduce flare and ghosting, a glass element to correct for chromatic aberration and a rear focus system minimize pixel fluctuation.

The lens also incorporates Sigma's signature optical stabilizing system, permitting shutter speeds up to four stops slower than normal.

Here's a few other basic stats on the Sigma APO 120-400mm:

  • Maximum aperture: F4.5-5.6
  • Minimum aperture: F22
  • Minimum focusing distance: 59.1 inches
  • Weight: 61.7 ounces
  • Dimensions: 3.6 inches × 8 inches

Both the Pentax and Sony versions of the 120-400mm Sigma lens will be available by the end of May in the UK, with an MSRP set at £766.30 ($1,132).

Topics: Hardware

About

Rachel King is a staff writer for CBS Interactive based in San Francisco, covering business and enterprise technology for ZDNet, CNET and SmartPlanet. She has previously worked for The Business Insider, FastCompany.com, CNN's San Francisco bureau and the U.S. Department of State. Rachel has also written for MainStreet.com, Irish Americ... Full Bio

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