Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens

Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens

Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens

B&H # PE50135DA MFR # 21660
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Product Highlights

  • K Mount Lens/APS-C Format
  • 76.5-207mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • Three Extra-Low Dispersion Elements
  • smc and Super Protect Coatings
  • SDM Autofocus Motor
  • Quick Shift Focus System
  • Weather-Resistant Construction
  • Nine-Blade Diaphragm
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Reg. Price: $1,046.95

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Pentax 50-135mm f/2.8 overview

  • 1Description

The smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens from Pentax is a telephoto zoom designed for APS-C-format K mount DSLRs, where it will provide a 76.5-207mm equivalent focal length range. Three extra-low dispersion elements are incorporated within the optical design, which help to reduce chromatic aberrations and improve clarity and sharpness. Benefitting handling, the constant f/2.8 maximum aperture ensures consistent performance throughout the zoom range and also enables working with shallow depth of field and selective focus techniques. This lens also features an SDM autofocus motor that provides quick, near silent focusing performance and a Quick Shift Focus System for instantly switching between manual and autofocus operation.

This lens is treated with an smc coating for maintained light transmission, high contrast, and color-neutral imagery. Additionally, an SP (Super Protective) coating has also been applied to the front surface of the lens to repel oils and water, and the lens' design itself is also weather-resistant to better support working in trying conditions.

This telephoto zoom is designed for use with K mount APS-C DSLR cameras where it will provide a 76.5-207mm equivalent focal length range.
Incorporates three extra-low dispersion elements to compensate for chromatic aberrations and distortions.
DA*-series lenses feature tightly sealed, weather-resistant and dust-resistant construction that enhance durability for use in rain or dusty conditions.
The Supersonic Drive Motor (SDM) helps to achieve fast, precise, and smooth focusing performance to benefit working with a variety of subject types.
Quick-Shift Focus System allows to instantly switch the focus mode from AF to manual with a slight twist of the focus ring.
SP (Super Protective) coating has been applied to the front surface of the lens to offer excellent water- and oil-repellent performance.
Nine-blade diaphragm helps to produce smooth out-of-focus highlights when using shallow depth of field techniques
UPC: 027075129276
In the Box
Pentax smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens
  • S90-160 Lens Case (Soft)
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Hood
  • Limited 1-Year Warranty
  • Table of Contents
    • 1Description

    Pentax 50-135mm f/2.8 specs

    Focal Length 50 to 135mm
    Comparable 35mm Equivalent on APS-C Format Focal Length: 76.5 to 207 mm
    Aperture Maximum: f/2.8
    Minimum: f/22
    Camera Mount Type Pentax K
    Format Compatibility Pentax Digital (APS-C)
    Angle of View 31.5° to 11.9°
    Minimum Focus Distance 3.28' / 1 m
    Magnification 0.17x
    Maximum Reproduction Ratio 1:5.88
    Optical Design 18 Elements in 14 Groups
    Diaphragm Blades 9
    Autofocus Yes
    Filter Thread 67 mm
    Dimensions (DxL) 3.01 x 5.35" / 76.5 x 136 mm
    Weight 1.51 lb / 685 g
    Packaging Info
    Package Weight 2.5 lb
    Box Dimensions (LxWxH) 7.5 x 6.4 x 4.8"

    Pentax 50-135mm f/2.8 reviews

    smc PENTAX-DA* 50-135mm f/2.8 ED (IF) SDM Lens is rated 4.8 out of 5 by 137.
    Rated 5 out of 5 by from A Superstar Lens I am primarily an architecture and fine art photographer, however, I bought this lens to photograph a wedding in Austria. The images that I created with this lens, without a flash, were absolutely incredible. Using only available light in the Austrian church resulted in photos that amazed everyone. Additionally, I got a great shot of Lance Armstrong who was riding in the Giro d'Italia that ended stage eight in that Austrian village. It is fast, quiet and produces sharp images with great color and contrast. I love it and it is always on my 20D. It is far superior to any other Pentax lens that I own. Although it is heavy, I have learned to adjust to that issue.
    Date published: 2009-06-17
    Rated 5 out of 5 by from So good, I might not need the FA 77mm! I have used this lens for over a month now, for everything from wide open portraits to nature and street photography and have found no flaws. The bokeh is wonderful, and it is sharp fast and quiet. Coupled with the K20d, color and contrast are phenomenal. My only pet peeve is that it is difficult to get the lens cap on with the giant lens hood attached, but that is likely due more to my clumsy hands. Considering the focal range, it is a very efficient design and I love that it does not extend for telephoto >> keeps the camera nicely balanced on the tripod (others have complained that there is no tripod mount but it really isn't needed!)
    Date published: 2008-06-09
    Rated 5 out of 5 by from As good as they say This lens is just as good as all the reviews say. I like it to stay on my k10d as often as possible, and I wouldn't mind getting the 16-50 to complement. The SWM is pretty nice since it eliminates the zings of the screw AF, though still not really any faster....but that's another point for another review. There was an instantly noticeable difference in color rendition and contrast compared to the kit lens, and sharpness is considerably better as well. I guess that's to be expected comparing the kit to the pro line, but if you're looking for a nice zoom to upgrade I would definitely recommend this since the price isn't totally extravagant.
    Date published: 2008-07-30
    Rated 5 out of 5 by from Zoom that rivals primes I'm normally a prime shooter, but this can make me leave more of them at home. The construction is first rate, including water resistance and that intangible quality of the shot is there. It is terrific as a portrait lens, and it is long enough to catch some action shots. I love the silent focus (which is less intrusive that some of my best primes), and SDM problems have supposedly been resolved. The quick shift focus is also a big plus, since I sometimes like to fine tune the point of focus. I wish I had picked this lens up long ago.
    Date published: 2015-03-01
    Rated 1 out of 5 by from VERY DISAPPOINTING LENS I purchased the lens before 2012 in B&H. During the first 12 months the lens worked properly, but beyond this time it started to faile the auto focus. I spent in vain 172 through Reflecta, Pentax distributor in Spain since they returned the camera with the same problem. After a phone discussion with Reflecta that pointed out that the lense worked fine, they acepted to return the lens again to be sent from Barcelona to Ricoh Pentax Europe Head Quarters in France. after 3 or 4 months, I received again the lens and surprisinlgy IT DIDN'T WORK. So, I'm using the lens in manual mode. This has been the worse photography investment of my life. A real swindle from Pentax.
    Date published: 2017-01-09
    Rated 5 out of 5 by from A must have zoom for the Pentax System Along with the 16-50mm lens Pentax have introduced two pro-quality lenses which I must recommend to anyone interested in getting best results from the newer Pentax Bodies (mainly K10 and K20). Image and build quality are great! The bokeh (out of focus blur) is very pleasant. The Autofocus could be a bit faster thought. Not that I need it, but it could be too slow for sports and action. But I guess those folks won't be buying Pentax anyway. The lens is certainly too hefty for a K100, but feels good on K10 with Battery Grip. All in all almost as good as prime lenses, I prefer the flexibility of a zoom.
    Date published: 2008-04-29
    Rated 5 out of 5 by from Buy it, won't regret!! This lens is a joy to use. In terms of 35 mm is a 70-200 mm of focal lenght, a bit different to the classic 70-200 sold by the other brands. It's built very good. It's very handhldable for a long period without stress. it focus very fast in daylight and normal in low light. I use it for surf shots and they come out superb. I have to say that this lens is better suited for portraiture, modeling and general use. For some sports it can be a bit short, but when the action is not too far, like surf or extreme sport, or swimming for example, is very good. Optically is perfect at every aperture and focal, only a bit soft at 135 2,8 but stpped down at f4 it regain the sharpness. A great lens at a great price.
    Date published: 2008-07-23
    Rated 5 out of 5 by from My first big lens. For years I shot only the FA50, so this is very much a departure for me. I didn't expect to love it this much! I love my primes but I finally realized that shooting events with primes is a hassle that needn't be. This is my first telezoom. This lens is a headturner. It's beautifully constructed and rugged to boot. On the K5 it screams for the battery grip to balance it out, this is a good thing, it makes the whole rig feel deadly serious and it has an ergonomic edge. Wide open it can be a little soft depending on the light, stopped to 5.6 its a dream come true, especially around the midrange. Like most zooms it's not at its best zoomed all the way in or out. 60-120 seems to be the sweet spot. The SDM is silent and lively. The bokeh is good even at 5.6.
    Date published: 2012-08-06
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    Pentax 50-135mm f/2.8 Q&A

    Pentax 50-135mm f/2.8 accessories

    Designed for use with:

    • Pentax K-01
    • Pentax K-3
    • Pentax K-3 II
    • Pentax K-30
    • Pentax K-5
    • Pentax K-5 II
    • Pentax K-5 IIs
    • Pentax K-50
    • Pentax K-500
    • Pentax K-7
    • Pentax K-70
    • Pentax K-S1
    • Pentax K-S2
    • Pentax K-r
    • Pentax K-x
    • Pentax KP
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