Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM

Last updated (18 June’10):
– Review by Photozone

Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM features 16-50mm at focal length with maximum aperture of f/2.8. The lens construction has 15 elements in 12 groups and has diagonal angle of view at 83 to 31.5 degrees. Closest focusing distance at 0.3 meters and has a filter size of 77mm. The Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM lens weighs 19.9 ounces and it measures 3.3 inches in diameter and 3.9 inches long.

Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM
Overall Rating: ★★★½☆ | Latest Price Info

Expert Reviews

Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM Reviews reviews the Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM and writes;
“It is really very sharp and contrasty at medium aperture settings (f/5.6-8) and many users may actually forgive the border problems at f/2.8 because you either stop down for conventional photography or rely on the (very sharp) center for shallow depth-of-field situations (e.g. portraits) anyway.”
Rating: ★★★½☆

User Opinions

Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM User Reviews

Fantastic lens!! | Rating: ★★★★★
“This is very very nice lens! I was little bit hesitant to buy it mainly because of the QC problem However I’m so happy to get this one and want to encourage anyone to try it. For this price tag of $650, this is a steal. Very very sharp lens at the price of Nikon or Canon bundle. “ – by Frederick Lee

Excellent lens | Rating: ★★★★★
“It is a solidly built lens. While it is nearly the same weight as its big brother, the DA* 50-135, it handles a lot better due to being much shorter. The zoom action is very smooth and the auto focus is quite rapid. From a photo stand point, the lens seems quite sharp. At 16 mm and f2.8, it is less sharp at the edges, but still has good center sharpness. Others have commented about vignetting at 16 mm and wide open as well, but I have not noticed any issues with my copy.” – by V. Waldron

A bargain…just buy it!!! | Rating: ★★★★★
“Sharpness/Focus: Much, much better then lower grade zooms, especially if you stop down an f-stop or two (which you really should anyhow). It really shows all the (detailed) glory of your sensor. Do not settle for a third party lens (Sigma, Tamron, etc.) if you can have the real thing. “ – by Bruno Passigatti

This is the lens to buy | Rating: ★★★★★
“The 16mm-50mm f2.8 is great for shooting indoors and outdoors. It is excellent in low light situations, especially where you don’t want to use a flash. One of the best lenses I’ve seen in a long time. Well worth the price at full price through Pentax, Amazon has been giving this lens away, so even better. “ – by D. Vaughan

Great Lens! | Rating: ★★★★★
“Initially, I thought it was broken – when I pressed the shutter button I didn’t hear *anything*. Then I realized that it had focused, and was amazed. It’s much faster focusing than my other short zooms, nearly silent, and very precise. Contrast is great, bokeh is very nice. It also focuses closer than I expected – down to around four or six inches. Not a Macro, but definitely useable for lots of close-ups. “ – by J. S. White

Stunning lens | Rating: ★★★★★
“I’ve had mine for a little over a month now and it’s by far my favorite lens. Crystal clear sharpness, incredible colors, great bokeh, and wonderful contrast. For me it’s the perfect walkaround lens–although I wouldn’t mind getting my hands on a 31mm Limited! “ – by ssgman

Silky smooth | Rating: ★★★★☆
“I have taken some nice photos with the 18-250mm but the 16-50mm has better color saturation and produces natural images with minimal need for post-processing. I recently shot almost 150 photos at a party indoors, most of them without flash. I was very pleasantly surprised how crisp, clean, saturated and properly white-balanced they came out without retouching! “ – by Michael A. Shoemaker

DA* 16-50/2.8, | Rating: ★★★★★
“Absolutely beautiful lens. Both the product visually, and the images that it creates. The barrel distortion on the wide end is as much as can be expected at 16mm, and is plenty acceptable depending on what you’re shooting. The color rendition and contrast really have to be seen to be believed. A professional level lens really will bring your photography up a couple notches. “ – by David T. Getsfrid

A SUPERB LENS | Rating: ★★★★★
“This lens is so sharp you couldn’t believe it. Yes they are expensive, but they are worth the money. When I got them, they are $100-$150 cheaper than they are now. I just don’t know why the prices have gone up, but I guess that goes for Nikon and Canon as well. Regardless, Pentax lenses are a lot cheaper than Nikon and Canon. “ – by H. Y. Nguyen

More user opinions | Write your opinion

Features & Specifications

Pentax SMC DA* 16-50mm f/2.8 ED AL IF SDM Specifications

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.


* 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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