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Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras

3.5 3.5 out of 5 stars 111 ratings

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Purchase options and add-ons

Brand Pentax
Focal Length Description 16-50 millimeters
Lens Type Wide Angle
Compatible Mountings Pentax KAF2
Camera Lens Description 50 month

About this item

  • The Package Length of the Product is 15.4 centimeters
  • The Package Width of the Product is 16.2 centimeters
  • The Package Height of the Product is 12.0 centimeters
  • Country of Origin: PHILIPPINES
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Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras
Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras
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Price$268.00$339.00$899.00$476.95$146.95$116.95
Delivery
Get it as soon as Wednesday, Mar 27
Get it Mar 26 - 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Customer Ratings
Quality of material
4.0
4.9
4.2
4.2
Picture quality
3.4
4.6
4.8
4.5
Auto focus
2.6
4.5
4.3
Sold By
Sakura Mart
PORTABLE GUY
Ace Photo
Amazon.com
Amazon.com
Amazon.com
lens type
Wide Angle
Wide Angle
Wide Angle
Telephoto
Standard
Standard
compatible mountings
Pentax KAF2
Pentax KAF3
Pentax KAF
Pentax KAF
lens design
Zoom
Zoom
Prime
Zoom
Prime
Zoom
focus type
Ultrasonic
Auto Focus
Screw drive from camera
Ultrasonic
minimum focal length
16 millimeters
15 millimeters
14 millimeters
18 millimeters
35 millimeters
max focal length
50 millimeters
30 millimeters
14 millimeters
135 millimeters
35 millimeters
fixed focal length
50 millimeters
30 millimeters
14 millimeters
135 millimeters
35 millimeters
50 millimeters
real angle of view
83 degrees
76 degrees
44 degrees
31.5 arc minute

Product Description

Product description

Pentax SMC DA Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras

Amazon.com

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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Product information

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Pentax

Pentax SMC DA* Series 16-50mm f/2.8 ED AL IF SDM Wide Angle Zoom Lens for Pentax Digital SLR Cameras


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Customer reviews

3.5 out of 5 stars
3.5 out of 5
111 global ratings

Customers say

Customers like the quality, sharpness, and value of the lens. For example, they mention that it takes beautiful pictures, has great color rendition, and is a great all-around lens. Opinions are mixed on the focus, build quality, value, and softness.

AI-generated from the text of customer reviews

25 customers mention22 positive3 negative

Customers like the image quality of the lens. They say it takes beautiful pictures, makes their photos look professional, and is impressed with the photo quality. The lens has great color rendition and is great for landscapes and portraits. It is also said to be heavy and bigger, but it takes better low-light pictures than the stock lens.

"...I was surprised at the close focusing distance. The front element just looks awesome/the SDM focus is nearly dead silent...." Read more

"...of the camera, but that also contributes to stability and thus good clear images...." Read more

"...This lens arrived and it looked great. I took several test images of a large 2 foot square black-on-white ink line drawing...." Read more

"...Hefty, but easy to use. And it looks very good wide open.AF response is nice and snappy on my K7...." Read more

19 customers mention15 positive4 negative

Customers like the sharpness of the lens. They say it's a very sharp lens, with crystal clear sharpness, incredible colors, great bokeh, and wonderful contrast. They also say the lens is ridiculously crisp, and a great lens for landscapes.

"...Great lens for landscape / very happy now!!" Read more

"...The optics are great, focus is good and fast, the Quick Shift ability is something I now take for granted and would miss in any lens system that did..." Read more

"...Overall, I am very happy with the feel of the lens and the quality of the photos. A definite step up from the 18-250mm, but that is not a surprise!..." Read more

"...This lens is so sharp you couldn't believe it. Yes they are expensive, but they are worth the money...." Read more

16 customers mention13 positive3 negative

Customers like the quality of the lens. They say it's an excellent, great all-around lens, and a solid performer. Customers also mention that it has good bokeh and works with old screwdriver bodies. Overall, customers are satisfied with the quality and performance of the product.

"...I was surprised at the close focusing distance. The front element just looks awesome/the SDM focus is nearly dead silent...." Read more

"...this is just a much more professional build overall...." Read more

"...My copy appears flawless.Pros: fast lens, useful wide angle zoom range which is limited enough to keep weight down...." Read more

"...It has good bokeh- Works with the old "screwdriver" bodies, as well as has SDMNow, the negatives:-..." Read more

9 customers mention9 positive0 negative

Customers are satisfied with the speed of the lens. They mention that the SDM works as advertised, it's sharp, and the AF response is nice and snappy. Some mention that it has a quick shift ability.

"...The optics are great, focus is good and fast, the Quick Shift ability is something I now take for granted and would miss in any lens system that did..." Read more

"...And it looks very good wide open.AF response is nice and snappy on my K7...." Read more

"Purchad used from KEH. My copy appears flawless.Pros: fast lens, useful wide angle zoom range which is limited enough to keep weight down..." Read more

"...time I used I thought the lens wasn't focusing but it was just really quick and quiet. Focus is dead on...." Read more

25 customers mention12 positive13 negative

Customers are mixed about the focus of the camera lens. Some mention it results in very fast and very quiet focusing, while others say that the focus is stuck at infinity, the autofocus has failed, and the lens simply would not focus.

"...The front element just looks awesome/the SDM focus is nearly dead silent. Great lens for landscape / very happy now!!" Read more

"...of every picture I took on my K10D with this lens was out of focus when shot on auto. The focal point seemed to be 3m behind my subject...." Read more

"...The optics are great, focus is good and fast, the Quick Shift ability is something I now take for granted and would miss in any lens system that did..." Read more

"...The images showed that the focus was unacceptably out of alignment from left to right and also a bit out from bottom to top...." Read more

16 customers mention8 positive8 negative

Customers are mixed about the build quality of the lens. Some mention that the heft and build quality is present, the coating has been super durable, and scratch resistant, and it contributes to stability. However, others say that the quality of this lens is very inconsistent, has bad AF right out of the box, and feels cheap.

"...The lens has not left my K3. The heft and build quality is present / the pictures I get with it are just awesome...." Read more

"They are still having problems with quality assurance. This lens arrived and it looked great...." Read more

"...The coating has been super durable and scratch resistant even after many cleanings in the field, and I eventually was perfectly happy to use the..." Read more

"...Just to be clear: this is a good lens. The construction quality is high, it does provide more detail, if you look for it, and it is better in low..." Read more

9 customers mention5 positive4 negative

Customers are mixed about the value of the camera lens. Some mention that it's worth the money, while others say that it doesn't worth the price.

"...The construction is up there with the best lenses. Hefty, but easy to use. And it looks very good wide open...." Read more

"...Please stay away from this lens! It is TOO expensive now as well - I bought mine for around 600 USD a few years ago, which was not cheap either, but..." Read more

"...Yes they are expensive, but they are worth the money. When I got them, they are $100-$150 cheaper than they are now...." Read more

"...I have to say, though, that this lens is so good it's worth taking the risk." Read more

6 customers mention2 positive4 negative

Customers are mixed about the softness of the lens. Some mention it's silky smooth, while others say it'll be a tad soft at 16mm F/2.8.

"...At 50mm f2.8 everything was very soft. The image didn't start to sharpen up until f5.6. When shooting at 16mm nothing was sharp...." Read more

"...Overall, I am very happy with the feel of the lens and the quality of the photos. A definite step up from the 18-250mm, but that is not a surprise!..." Read more

"...In my case one corner is slightly softer than the rest of the image, but it is only noticeable on test shots wide open and is not field relevant...." Read more

"After buying this lens I noticed that most pictures were "soft" on the right side. Not on the left...." Read more

I sent the first two back
2 Stars
I sent the first two back
They are still having problems with quality assurance. This lens arrived and it looked great. I took several test images of a large 2 foot square black-on-white ink line drawing. It had sharply defined ink pen lines all over it, all the way to the edges. The images showed that the focus was unacceptably out of alignment from left to right and also a bit out from bottom to top. Looking at the test images over all, it seems like it might be a good lens if they can get me one with the alignment right.Ammended 9/24 2009The replacement arrived I tested it today using the same method and the alignment on this replacement lens was out of alignment in roughly the opposite direction by a similar amount, making the left edge significantly less sharp focused than the right. I returned it for replacement. We shall see what we get on the next try. I really would like to to get a properly aligned example of this lens that can provide images with a consistent focus left and right and top and bottom.Ammended 9/29/2009Amazon declined to send a third lens, offering simultaneously that getting two defective examples was very unusual, and strangely that, were they to ship a third, it would likely suffer the same defect. They volunteered to refund my shipping cost and purchase price, and recommended I contact Pentax. I will post clips from the center and each of the two extreme edges of the test image on this site.It was very easy to alert Amazon and initiate a return. I really would still like to get a good one of these lenses. Apparently you do need some amount of luck to accomplish that.My advice to anyone wanting one of these is, be prepared to test what you get, and do not order it a week before your big vacation trip expecting to have one arrive at the last minute that is good enough to use.
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Top reviews from the United States

Reviewed in the United States on March 30, 2014
5 people found this helpful
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Reviewed in the United States on March 21, 2008
20 people found this helpful
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Reviewed in the United States on April 13, 2013
6 people found this helpful
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Reviewed in the United States on September 17, 2009
Customer image
2.0 out of 5 stars I sent the first two back
Reviewed in the United States on September 17, 2009
They are still having problems with quality assurance. This lens arrived and it looked great. I took several test images of a large 2 foot square black-on-white ink line drawing. It had sharply defined ink pen lines all over it, all the way to the edges. The images showed that the focus was unacceptably out of alignment from left to right and also a bit out from bottom to top. Looking at the test images over all, it seems like it might be a good lens if they can get me one with the alignment right.

Ammended 9/24 2009
The replacement arrived I tested it today using the same method and the alignment on this replacement lens was out of alignment in roughly the opposite direction by a similar amount, making the left edge significantly less sharp focused than the right. I returned it for replacement. We shall see what we get on the next try. I really would like to to get a properly aligned example of this lens that can provide images with a consistent focus left and right and top and bottom.

Ammended 9/29/2009
Amazon declined to send a third lens, offering simultaneously that getting two defective examples was very unusual, and strangely that, were they to ship a third, it would likely suffer the same defect. They volunteered to refund my shipping cost and purchase price, and recommended I contact Pentax. I will post clips from the center and each of the two extreme edges of the test image on this site.

It was very easy to alert Amazon and initiate a return. I really would still like to get a good one of these lenses. Apparently you do need some amount of luck to accomplish that.

My advice to anyone wanting one of these is, be prepared to test what you get, and do not order it a week before your big vacation trip expecting to have one arrive at the last minute that is good enough to use.
Images in this review
Customer image
Customer image
16 people found this helpful
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Top reviews from other countries

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Timi_2008
5.0 out of 5 stars Top Produkt
Reviewed in Germany on December 13, 2019
One person found this helpful
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Amazon Kunde
5.0 out of 5 stars Five Stars
Reviewed in the United Kingdom on August 15, 2017
あそきゃっと
4.0 out of 5 stars レンズキャップが違う!
Reviewed in Japan on July 26, 2019
2 people found this helpful
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Pierre Bouillon
5.0 out of 5 stars A great lens!
Reviewed in Canada on December 26, 2014
3 people found this helpful
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manu
5.0 out of 5 stars Très bonne qualité d image mais bagues fragiles
Reviewed in France on April 18, 2015