Average Reviews:
(More customer reviews)If you've read my previous reviews, you know that I'm a retail camera salesperson. I get to use a wide variety of equipment, but I'm a bit picky on what I buy myself. I own this lens.
I couldn't be more pleased with this lens for my K10D. The images are crisp at all focal lengths and apertures. The focusing is both fast and smooth. (Note: it will require updating to firmware version 1.3 for the K10D to autofocus properly.) Build quality is top-notch, and the weather-proofing is nice, although I doubt I'll test that often.
Pentax has also equiped this lens with the older drive system, so that it can be used on older digital cameras, but the noise level goes up, and the AF performance, while decent, goes down.
This is an amazingly good deal compared to either the Canon or Nikon lenses in the same range. The Nikon has about the same build quality, but costs considerably more. The Canon has the IS system built into the lens (not necessary with Pentax); therefore, it costs about the same as the Nikon. A very good lens, it still doesn't have the build quality "feel" of the Pentax nor Nikon. Additionally, the 16mm makes the Pentax a bit wider, a big advantage for my type of shooting.
Simply put, without this lens, I'd be shooting Nikon.
Click Here to see more reviews about: Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras
Designed for exclusive use with Pentax digital SLR cameras, the Pentax DA* 16-50mm f/2.8 wide-angle zoom lens is a terrific choice for landscapes, portraiture, and just about any other application. The lens features a tightly sealed, weather-resistant and dust-resistant construction to enhance durability in rainy or dusty conditions. The lens's three aspherical elements and two special optical glass elements, meanwhile, help compensate for chromatic and spherical aberration, producing images with superior contrast, clarity, and edge-to-edge sharpness. And thanks to the lens's Pentax-original Quick-Shift Focus System, you can easily and instantly switch from autofocus to manual focus.
Specifications
Focal length: 16-50mm
Maximum aperture: f/2.8
Minimum aperture: f/22
Lens construction: 15 elements in 12 groups
Angle of view: 83 to 31.5 degrees (when used with Pentax digital SLR camera body)
Number of diaphragm blades: 9
Metering system: TTL open-aperture metering
Minimum focusing distance: 0.3 meters
Maximum magnification: 0.21x
Filter size: 77mm
Corresponding AF mounts: Pentax KAF2
Dimensions: 3.3 inches in diameter and 3.9 inches long
Weight: 19.9 ounces (without hood)
Warranty: 1 year
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