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Comment: Warranty till 12/14 - FAST Amazon Shipping - Mint condition lens with flawless glass and operates perfectly. Includes original box, manual, Pentax hood, Pentax Pouch and both Pentax lens caps. SDM motor replaced with newer more reliable motor that will last longer, focus faster and sharper than the original. Pentax service papers will be included with 6-month warranty on the SDM.
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  • Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and Digital SLR Cameras
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Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and Digital SLR Cameras

by Pentax
| 5 answered questions

List Price: $1,599.95
Price: $1,023.58 & FREE Shipping. Details
You Save: $576.37 (36%)
Only 1 left in stock.
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  • 50-135mm telephoto zoom lens with F/2.8 maximum aperture for Pentax digital SLR cameras
  • Aspherical elements, special optical-glass elements, and original glass coatings
  • Tightly sealed weather- and dust-resistant housing stands up to rainy or dusty conditions
  • SDM system produces smooth, quiet autofocusing; SP coating protects exposed lens elements
  • Measures 3 inches in diameter and 5.4 inches long; weighs 24.2 ounces without hood
8 new from $1,023.58 7 used from $669.99

Frequently Bought Together

Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and 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 + Pentax K-5 IIs 16.3 MP DSLR Body Only (Black)
Price for all three: $2,693.23

Buy the selected items together


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  • Buy Used and Save: Buy a Used "Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Tel..." and save 58% off the $1,599.95 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.
  • Twelve-Month Financing: For a limited time, purchase $599 or more using the Amazon.com Store Card and pay no interest for 12 months on your entire order if paid in full in 12 months. Interest will be charged to your account from the purchase date if the promotional balance is not paid in full within 12 months. Minimum monthly payments required. Subject to credit approval. 1-Click and phone orders do not apply. See complete details and restrictions.


Technical Details

  • Brand Name: Pentax
  • Model: B000NO5QVG
  • Lens Type: Telephoto
  • Minimum focal length: 50 millimeters
  • Maximum focal length: 135 millimeters
  See more technical details

Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras

Product Details

  • Product Dimensions: 5.4 x 3 x 3 inches ; 1.5 pounds
  • Shipping Weight: 3 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000NO5QVG
  • Item model number: B000NO5QVG
  • Average Customer Review: 4.5 out of 5 stars  See all reviews (52 customer reviews)
  • Date first available at Amazon.com: February 22, 2007

Product Description

Amazon.com

Designed for exclusive use with Pentax digital SLR cameras, the Pentax DA series 50-135mm telephoto zoom lens makes it easy to capture close-in sports shots or intimate wildlife photography. The lens is distinguished by its aspherical elements, special optical-glass elements, and original glass coatings, which help produce a high contrast, unmatched clarity, and edge-to-edge sharpness. The lens also boasts a tightly sealed weather- and dust-resistant housing that stands up to rainy or dusty conditions. And users will love the new SDM system, which produces smoother, quieter autofocusing using a built-in supersonic motor. Other details include a Pentax-original Quick-Shift Focus System that switches instantly to manual-focus operation, a Pentax SP coating that protects the exposed lens elements, and a focal length equivalent to 76.5-207mm in the 35mm format.

  • Lens mount: Pentax KAF2
  • Lens construction: 18 elements in 14 groups
  • Angle of view: 31.5 to 11.9 degrees (when used with Pentax digital SLR camera body)
  • Aperture control: Automatic
  • Minimum aperture: F22
  • Metering system: TTL open-aperture metering
  • Minimum focusing distance: 1 meter
  • Filter size: 67mm
  • Maximum magnification: 0.17x
  • Dimensions: 3 inches in diameter and 5.4 inches long
  • Weight: 24.2 ounces (without hood)

Product Description

Pentax SMC DA* Series 50-135mm f/2.8 ED IF SDM Telephoto Zoom Lens for Pentax and Digital SLR Cameras

Customer Questions & Answers

Customer Reviews

4.5 out of 5 stars
5 star
41
4 star
4
3 star
0
2 star
6
1 star
1
See all 52 customer reviews
The lens focuses quickly and accurately.
Brian H. Williams
This lens produces excellent color saturation, excellent contrast, and exceptional sharpness.
J. S. White
As far as build quality goes, the lens is very solid.
V. Waldron

Most Helpful Customer Reviews

62 of 62 people found the following review helpful By Brian H. Williams on September 6, 2007
After anxiously awaiting the new DA* series of lenses, I bought it the day it was released. I had to photograph the Ujena Bikini Jam in Puerto Vallarta, Mexico and KNEW that I needed the benefits of a tightly sealed, weather proof lens because of the intense humidity. When I first mounted the lens to the body of my K10D (after updating the firmware of course) I was surprised at how incredibly quiet the motor is. I've never had this experience with any lens I've owned. I'm so used to the slight "whir" sound that lenses produced, it was hard for me at first to tell if it was working! The lens focuses quickly and accurately. The lens is nicely finished with nice rubber ribbing on the barrel. It accepts 67mm thread size filters. There may be a temptation to get a standard type Skylight filter. Spend the extra money for the Super Multicoated type. After all, if you spend nearly $1,000 for a lens, why would you skimp on a lower priced filter? The manual focusing mechanism turns freely after you reach the end of the focal length on either side. This is done so that you do not damage the focusing mechanism. For manual focus option, instead of setting your camera body to manual focus, the lens has a switch that allows you to switch between manual focus and auto focus without having to have your body set on manual focus. This is convenient. If the lens is hunting you can easily click over the switch with your thumb without having to remove the camera from your eye. There is no longer an aperture ring on the new digital series lenses. This is logical since all the f-stop settings are now done on the camera body. The stunning sharpness and contrast of this lens is amazing. Distortion is practically non existant and flare is tightly controlled.Read more ›
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100 of 107 people found the following review helpful By P. VANDALEN on February 5, 2008
Verified Purchase
First the good: This is an impressive lens in both feel and looks. There's no mistaking that this is professional glass. For portraits and non-flash situations like stage performances, I wanted a lens that was top-notch in sharpness and overall image quality. According to the specs and the various reviews, this lens delivers...and that's why I bought it. Now the bad: I got a bad copy. When you point your camera at the intended subject and press the shutter, you expect the autofocus system to nail the focus, at least the vast majority of the time, especially with an expensive lens like this. Even a basic point-and-shoot is pretty reliable in that regard. However, not so with the DA* 50-135 copy I received. The majority of my shots are slightly off-focus, enough to not only cancel out the superior sharpness qualities of this lens, but to also ruin what would othewise be an excellent shot. This problem occurs in all types of shooting situations and camera/lens settings. What is more disappointing than having my one faulty lens is finding out that there are others who are experiencing similar problems with their DA* lenses. What I do know is that when I use any other Pentax or Tamron lenses on my K10, everything works fine (yes, I've upgraded the firmware to enable the SDM). In the few times that the focus is spot-on, I can say that the resulting image is quite impressive indeed.

For this amount of money, my tolerance to getting a bad sample is a bit less than if this had been a consumer-grade lens at half the price. I really, really want this lens to work for me the way it's supossed to because I'm a big Pentax advocate and like their recent products and direction in the D-SLR market. So I'm returing mine for another and keeping my fingers crossed.
Read more ›
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47 of 49 people found the following review helpful By Amazon Customer on February 25, 2010
Verified Purchase
When I first got this lens, my initial thoughts were "wow, this thing is gorgeous". I love the gold highlights, the green line near the mount, and the massive zoom and focus rings. The large front element makes this lens look like it means business. This thing looks fantastic.

On my K-7, this lens is perfectly balanced. The large zoom ring means the lens has a wide range of space to support it, so I suspect it would be well balanced on just about any Pentax camera. That zoom ring feels smooth, with a good amount of resistance.

The focus ring is very similar, it's even larger than the zoom ring. It also has a fairly smooth motion with good resistance, although I found it felt kinda "dry" initially. Nowhere near the smoothness of my Super Takumar 50mm F1.4's focus ring, which is buttery smooth. It also has a super-long 130 degree sweep, which would be great for manual focusing but is far too long for an auto-focus lens. One oddity I hadn't experienced with a lens before: when I reach the end of the focus throw, the focus ring doesn't stop turning. There's a distinct "clunk" of the internal focusing mechanism reaching its limit, but the ring can continue to be turned indefinitely. It's a weird feeling, none of my other lenses behave this way.

Its size is a bit daunting at first, but this is mostly due to the fact that it focuses and zooms internally. So no matter what focal length you're using or where you're focusing, this lens always stays exactly the same length. The weight is also a bit much to carry around your neck during a long shooting session. After buying this lens, I got a new neck strap from Op/Tech to help reduce the strain on my neck, and it's been a huge help.
Read more ›
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