Pentax DA 12-35mm DC WR lens coming

Pentax successfully filed a patent for a new zoom lens

By PF Staff in Pentax Announcements on Dec 17, 2010

News has leaked that Pentax has successfully filed a patent for a new 12-35mm F3.5-4.5 wide-angle zoom lens, featuring both weather sealing (WR) and the SDM autofocus.


Pentax has yet to officially announce this lens.  However, technical specifications are already known (according to the patent):
  • Minimum aperture range: F3.6-4.5 (labeled as F3.5-4.5)
  • Diagonal angle of view: 101.2-44.0 degrees
  • APS-C (digital) only
  • 16 elements in 5 groups
  • 3 AL (ashperical) elements
  • KAF3 mount
  • Official name: SMC Pentax-DA 12-35mm F3.5-4.5 AL SDM WR
Knowing Pentax, this lens will likely not become available until late next year.  It's great to see a weather-sealed wide-angle lens that's going to be cheaper than a DA*, though!  Pentax also claims that their new zoom will do a good job of handling aberrations.


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