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Pentax HD DA 16-85mm f/3.5-5.6ED DC WR Lens Unveiled

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Pentax DA 16-85mm WR Lens

Ricoh has announced the new Pentax HD DA 16-85mm f/3.5-5.6ED DC WR lens for Pentax K-mount DSLRs.

It is a weather-sealed lens with 11 seals. The lens consists of 16 optical elements in 12 groups and features an ED (Extra-low Dispersion) optical element to effectively compensate for chromatic aberrations, and aspherical optical elements to minimize color bleeding.

The Pentax HD DA 16-85mm f/3.5-5.6ED DC WR retails for $749.95 and should be available in November 2014. Check it out here at B&H Photo.

 

Inside Nikon Lens Technology

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[youtube https://www.youtube.com/watch?v=J-gw0Yz8oHo&w=700]

Feel free to turn your speakers down (or off) on the above video thanks to the annoying music. The video content, however, gives us a great look into how Nikon lenses work and the truly amazing technology that go into making the use of a Nikon lens easy and effective for capturing images with today’s Nikon DSLRs.

[via DIY Photography]