Pentax DA* 16-50mm f2.8


The Pentax DA* 16-50mm f2.8 includes advanced optical technologies such as aspherical elements and original lens coatings, improving contrast, clarity and description, even at the edges.


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The smc Pentax-DA* series has been developed through Pentax’s unending pursuit of the ultimate image quality in digital photography. Bringing together its advanced optical technologies, including aspherical elements, special optical-glass elements and original lens coatings, Pentax has successfully developed a new interchangeable lens series that is superior to any existing lens series in terms of contrast, clarity and description, even at the edges.

The Pentax-DA* zoom lenses come equipped with a SDM System, which assures smoother, quieter autofocusing operation using a built-in supersonic motor. When mounted on a Pentax K10D or K100D Super Digital SLR camera body, the focus mode is automatically switched to SDM-assisted autofocusing. When mounted on other Pentax digital SLR camera bodies, the conventional autofocus mode using a camera-mounted motor is selected.

  • Focal Length
  • Lens Construction
    15 Elements in 12 Groups
  • Maximum Aperture
  • Minimum Aperture
  • Minimum Focus Distance
  • Filter Size
  • Lens Mount
    Pentax K-Mount
  • Dimensions
    84mm x 98.5mm
  • Weight

Average Customer Rating

3.5/5 based on 2 reviews
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Day to day workhorse

By: P. Michael
I bought this lens when first introduced in 2007; Today, 10 years later it could do with a revamp. Perhaps the SDM could be updated, though I have never had a problem with mine, faster autofocus would be nice. Also, lens coating has evolved and the latest would be a nice upgrade to this lens.

But, it costs less now than what I paid in 2007 and it's a good value and very good lens to have in your bag.
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Should be better than just "decent"

By: Dave
The main reason I chose this lens in the first place was because of that awesome Pentax weather-sealing and it being the perfect complement to the DA* 50-135. However, with the exception of results at smaller apertures, my admiration for this lens stops me short of getting excited about using it.

The best word I can use to describe this lens is "decent". However, given the price tag and with Pentax touting it as one if its top-of-the-line APS-C lenses, the lens should be "exceptional" like its bigger brother, the DA* 50-135.

As numerous other online reviews mention, this lens does not produce the best results with the aperture "wide open" at f2.8. The subject is not often tack-sharp and the bokeh is a bit distracting. Yet sometimes, given the 'perfect storm' of great lighting and your camera AF cooperating, you can get a stunning result wide open. However, what I've found with the Pentax system overall is that AF speed and consistency is not the best, regardless of body used, and this lens is no exception.

Stopped down to f5.6 and smaller, however, I've gotten some stunning results with this lens. But again, for the money, one should expect the same with larger apertures.
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Pentax DA* 16-50mm f2.8 ED AL
Front Lens Cap
Rear Lens Cap
Lens Hood
Carrying Case


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