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Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras

Price: $549.00
Instant Savings: $200.00
Offer ends: Oct 31 '14 at 5:45 PM ? Rebate Expirationx

Ordering will be unavailable site-wide from Friday 5:45 PM EDT to Saturday 7:15 PM EDT.
Please order before Friday 5:45 PM EDT to be eligible for this rebate.


You Pay: $349.00
Product Highlights
  • Wide-Angle to Telephoto Zoom Macro Lens
  • For Pentax K APS-C Cameras Only
  • Hyper-Sonic Motor (HSM)
  • Thermally Stable Composite Material
  • Minimum Focusing Distance of 13.7"
  • 4 Special Low Dispersion (SLD) Elements
  • 3 Aspherical Glass Elements
  • Super Multi-Layer Lens Coating

If you have a Pentax camera with a smaller-size APS-C sensor and K mount, then the 18-250mm F3.5-6.3 DC Macro HSM from Sigma is an incredibly versatile lens that is a real jack-of-all-trades lens you can carry in any situation. With a focal length spanning from a wide-angle 18mm up to a 250 mm telephoto zoom, with macro capabilities to boot, Sigma's 18-250mm could easily be your camera's first all-in-one lens, or a great replacement for several smaller lenses that you're looking to consolidate.

Sigma redesigned the optical and structural design of this lens in order to achieve a relatively compact size, at 4.0" long, as well as a close minimum focusing distance of 13.8" for macro photography. Their Thermally Stable Composite (TSC) construction maintains the structure of the lens, with little variation despite changing temperatures. The lens also incorporates a brass-made bayonet mount, to further reinforce the lenses durability and resistance to wear and tear over time.

The minimum focusing distance is the same throughout the focal length of the entire zoom range, and provides a maximum magnification ratio of 1:2.9. As an added benefit over fixed focal length macro lenses, the size and framing of subjects can quickly and easily be adjusted by rotating the zoom ring. For even further convenience, at each focusing distance on the side of the lens barrel, the maximum magnification ratio is also displayed.

For high image quality, you know you've got to have high quality glass, and Sigma has incorporated their Special Low Dispersion (SLD) glass element into the 18-250mm. In addition to the SLD element, three aspherical lenses, including a double-sided aspherical lens, have been used in the lens' construction--offering excellent correction of color aberration, for better clarity and quality of images throughout the zoom range.

A Super Multi-Layer Coating has also been employed to reduce flare and ghosting with this lens. This makes it resistant to strong incident light, such as backlight behind a subject, providing sharper, high contrast images even shooting into a light source. To prevent internal reflections from occurring, the included petal-type lens hood can be attached in order to block out extraneous light.

For a lens that offers a wide-angle to telephoto focal length, and the ability to zoom-in with macro photography, Sigma's 18-250mm F3.5-6.3 DC Macro HSM made for Pentax cameras is more than a match. Whether you're on a macro product shoot, a walk in the park, or have a wedding to go to, this lens will help you shoot high quality images in any situation.

Possibilities as Wide as its Zoom Range
Going from an 18mm wide-angle lens in the park, to an 85mm portrait lens at a wedding, and later attaching a heavy 250mm lens for wildlife or sport photography means you'll have to carry pounds of gear around with you, by hand or on your back, all day long. With the 18-250mm F3.5-6.3 DC Macro HSM, you won't have to risk dust entering your Pentax camera body, dropping one of your lenses as the bride's aunt runs into you with a glass of wine, or fumbling to switch to your zoom lens as you watch an eagle soar away--missing opportunities because you had the wrong lens at the time
In Close, or Wide Open
Not only is the zoom range excellent for a variety of situations, but the focus range is also conducive to macro photography--with the added benefit of zooming in on the tiniest textures or creatures. With a maximum magnification ratio of 1:2.9 you can get an up-close and personal shot of the petals of a flower, then immediately zoom out and catch a group photo before anyone blinks
Compact Construction
Incorporating double-sided aspherical lenses, and redesigning the lenses construction, Sigma has made improvements in keeping this lens at a relatively compact size, yet still achieving an outstanding zoom range. The filter thread diameter has been reduced to 62mm--while, with a 13x zoom range, the length of the lens still remains a mere 3.4" long
Tough Exterior, yet Quality Interior
While the design and construction of the lens has kept it relatively compact, the new Thermally Stable Composite (TSC) material has been used to keep it strong and resistant to weathering effects. In addition, a brass made bayonet mount reinforces the strength applied to the surface of the lens. The combination of these features leads to reduced contractility with changing temperatures, a higher quality of lens construction, and allows for slimmer parts to be used--keeping it compact and strong
Flare, Aberrations, and Ghosting Reduction
Everybody says you should invest in your glass, and Sigma's 18-250mm provides just the way for you to do that. Three aspherical glass elements offer correction for distortion, four Special Low Dispersion (SLD) glass elements provide optimum color correction and sharpness, and a Super Multi-Layer lens coating reduces flare and ghosting. This array of optical features assure high image quality throughout the entire zoom range, and widely varying lighting situations.
Performance
Focal Length 18 - 250mm
Aperture Maximum: f/3.5 - 6.3
Minimum: f/22
Camera Mount Type Pentax K
Format Compatibility DSLR (APS-C Sensor)
Angle of View 76.5° - 6.5°
Minimum Focus Distance 13.8" (35.05 cm)
Maximum Reproduction Ratio 1:3
Elements/Groups 16/13
Diaphragm Blades 7
Features
Image Stabilization No
Autofocus Yes
Environmental
Physical
Filter Thread Front:62 mm
Dimensions (DxL) Approx. 2.9 x 3.5" (7.37 x 8.89 cm)
Weight 1.04 lb (.47 kg)
Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras
  • Petal-Type Lens Hood (LH680-04)
  • Front Lens Cap (LCF II)
  • Rear Lens Cap (LCR)
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
  • REVIEW SNAPSHOT®

    by PowerReviews
    Sigma18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras
     
    4.5

    (based on 29 reviews)

    Ratings Distribution

    • 5 Stars

       

      (16)

    • 4 Stars

       

      (11)

    • 3 Stars

       

      (2)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    93%

    of respondents would recommend this to a friend.

    Pros

    • Fast / accurate auto-focus (17)
    • Strong construction (15)
    • Consistent output (11)
    • Durable (11)
    • Easily interchangeable (10)

    Cons

    • Poor in low light (6)
    • Lens creep (5)
    • Slow focus (3)
    • Tough to attach (3)

    Best Uses

    • Landscape/scenery (21)
    • Wildlife photos (14)
    • Macro photography (10)
    • Sports/action (6)
    • Weddings (5)
      • Reviewer Profile:
      • Photo enthusiast (12), Semi-pro photographer (9), Casual photographer (8)
      • Was this a gift?:
      • No (28)

    Most Liked Positive Review

     

    Good travel or walk about lens

    I am a semi-pro who owns both Nikon and Pentax equipment. I prefer the Pentax (2 of them) outdoors because they are smaller and lighter. Anyway, I bought this lens for the...Read complete review

    I am a semi-pro who owns both Nikon and Pentax equipment. I prefer the Pentax (2 of them) outdoors because they are smaller and lighter. Anyway, I bought this lens for the Pentaxes after reading the reviews of the equivalent Pentax lens (18-270). The Sigma was slightly better rated and it was almost $300 cheaper. As any "super zoom" would go, it is a little soft at both ends, but if you want extreme sharpness all over you get a "prime" lens instead. Super zooms are intended as "walk about" or travel lenses where one wants to carry only one lens or not take the time to change lenses. That said, this lens was sharper than I expected, except at the extremes, and very well built. The autofocus is of the latest most advanced type (silent) and works great. I matched it against the Pentax 18-135 lens I already had and it was close in sharpness but the Pentax lens beat it in contrast and color. These were maximun resolution pictures at 100% enlargement, something you don't normally do. So yes, I am very pleased with the lens and now I can carry two Pentax cameras with different lenses without having to change them. Incidentally, I use a K-5 and a K-10, and occasionally do film in a XZ-L. I do mostly landscapes and fitness models, mosty all outdoors, so the "slowness" of super zooms does not affect me much as I live in South Florida. Hope this helps!

    VS

    Most Liked Negative Review

     

    Slips Below Expectations

    When considering the 18-250mm F3.5-6.3 DC Macro HSM by Sigma you think that you are getting a decent telephoto with a macro edge. In reality, this lens falls below expectations and,...Read complete review

    When considering the 18-250mm F3.5-6.3 DC Macro HSM by Sigma you think that you are getting a decent telephoto with a macro edge. In reality, this lens falls below expectations and, if you are like me, you will find it left in your kit more often than not.

    This lens looks decent on paper for the cost, and feels like a solid lens in your hand. That is where the pros end though. From the second you unlock the lock switch the lens will consistently creep and slip out of your distance range. Don't even try to point this lens down without a firm grip. Furthermore, the focus distance on paper seems like a stretch in both directions. At the closest ranges you find it hard to get a crisp enough focus without backing off an additional meter. At the furthest distances you notice a lot of chromatic distortion/aberration.

    This lens has a very good mid-range macro and can be utilized for some amazing points, but overall I would recommend picking up the Pentax smc Pentax-D FA 100mm f/2.8 WR Macro Lens instead.

    Reviewed by 29 customers

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    (0 of 2 customers found this review helpful)

     
    3.0

    New Camera Operator

    By Twin's Mom

    from Marietta, GA

    About Me Casual Photographer

    Verified Buyer

    Pros

    • Easily Interchangeable

    Cons

      Best Uses

        Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

        I am a new camera operator so this review is strictly based on my experience with the lens and camera. I am using the lens with my new K500 Pentax camera. I purchased the lens to get close up photos of my twin daughters in the Marching Band. If I'm in the stands I still don't get very close images. This past weekend they were at a competition and I had to get to the fence along the track in order to get close enough to distinguish between my girls and the other students in the band. Because of my lack of experience with quality cameras and lenses maybe this one isn't the best lens to get those super close ups that I'm looking for. I did tell the representative when I was ordering what I wanted and this is what he recommended based on my price point. I'm getting quality photos just not as close as I would like.

        • Was this a gift?:
        • No

        Share this review

         
        5.0

        Impressive little package

        By The Pedaller

        from Pioneer Valley

        About Me Photo Enthusiast

        Verified Buyer

        Pros

        • Fast / accurate auto-focus
        • Strong Construction

        Cons

          Best Uses

          • Landscape/Scenery
          • Macro Photography
          • Sports/Action

          Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

          As a recent Pentax convert, I have only a K-50 body and two kit lenses. I quickly bought a Sigma 70-300 solely for it's longer reach. It was a little too much of the same kit stuff, plus quite bulky, so I returned. Now then, onto the 18-250; convenience and quality all in one neat package. Gives me a tiny bit more reach, quiet, fast focus PLUS macro that functions like a real macro lens. I take my new camera everywhere now. Sigma's first big test was a professional bicycle race in Montreal. I carried it for 9 hours around my neck without any complaints. A handy little lock button keeps barrel creep in check, great when running and walking for the next shot. In terms of photo quality, I came away very pleased. Image quality is as good or better than the kit glass. Bicycles going 40 MPH plus are no problem for this rugged little lens!

          • Was this a gift?:
          • No

          Share this review

           
          5.0

          I like this lens

          By Jim

          from Shelburne, VT

          About Me Photo Enthusiast

          Verified Buyer

          Pros

            Cons

              Best Uses

                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                Very impressed with how quickly B&H turned my order around. It was packaged perfectly. I am very impressed with the lens, so far meeting all of my expectations.

                • Was this a gift?:
                • No

                Share this review

                 
                5.0

                Great All-purpose Lens

                By DaveInPA

                from Bucks County, PA

                About Me Photo Enthusiast

                Verified Buyer

                Pros

                • Fast / accurate auto-focus
                • Strong Construction

                Cons

                • Poor in Low Light

                Best Uses

                • Landscape/Scenery
                • Macro Photography
                • Sports/Action
                • Wildlife Photos

                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                This is a well-built all-purpose lens. No zoom creep which is nice. I've been very happy with the pictures coming out of it.

                Provides a large zoom range but it is a slow lens so its not ideal for indoors unless you have a flash.

                • Was this a gift?:
                • No

                Share this review

                 
                5.0

                "Great Sigma product"

                By Photo bug

                from St. Charles, MO

                About Me Casual Photographer

                Verified Buyer

                Pros

                • Easily Interchangeable
                • Lightweight
                • Rugged
                • Strong Construction

                Cons

                • Poor in Low Light

                Best Uses

                • Landscape/Scenery

                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                Great outdoor all in one lens. Great for vacations.

                • Was this a gift?:
                • No

                Share this review

                 
                5.0

                I would buy this product again and again

                By Dick

                from Chicago, IL

                About Me Photo Enthusiast

                Verified Buyer

                Pros

                • Consistent Output
                • Durable
                • Fast / accurate auto-focus
                • Lightweight
                • See Above Comments

                Cons

                • No cons from me

                Best Uses

                • Landscape/Scenery
                • Macro Photography
                • Sports/Action
                • Wildlife Photos

                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                This is my second Sigma lens. This model for me is only an upgrade from my first one which was similar---but I thought that it was easy to work and for me it produced great pictures. Admittedly I just purchased the newer model and have not used it too much. However comes this Saturday I intend to go to the Botanical Gardens in Chicago and would probably have a better answer on Saturday night. I like Sigma as they are surely no worse then the name brands ut they are much less expensive---that is in addition to the high quality picture taking.

                Richard Hahn
                Chicago, IL

                • Was this a gift?:
                • No

                Share this review

                (0 of 1 customers found this review helpful)

                 
                3.0

                Slips Below Expectations

                By Langdon Designs

                from Chicago, IL

                About Me Semi-pro Photographer

                Verified Buyer

                Pros

                • Consistent Output
                • Nice Bokeh

                Cons

                • Blurry Focus
                • Lens Creep
                • Tough To Attach

                Best Uses

                • Landscape/Scenery

                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                When considering the 18-250mm F3.5-6.3 DC Macro HSM by Sigma you think that you are getting a decent telephoto with a macro edge. In reality, this lens falls below expectations and, if you are like me, you will find it left in your kit more often than not.

                This lens looks decent on paper for the cost, and feels like a solid lens in your hand. That is where the pros end though. From the second you unlock the lock switch the lens will consistently creep and slip out of your distance range. Don't even try to point this lens down without a firm grip. Furthermore, the focus distance on paper seems like a stretch in both directions. At the closest ranges you find it hard to get a crisp enough focus without backing off an additional meter. At the furthest distances you notice a lot of chromatic distortion/aberration.

                This lens has a very good mid-range macro and can be utilized for some amazing points, but overall I would recommend picking up the Pentax smc Pentax-D FA 100mm f/2.8 WR Macro Lens instead.

                • Was this a gift?:
                • No

                Share this review

                 
                4.0

                Does well what I need it to do

                By Rosita

                from Santiago, Chile

                About Me Casual Photographer

                Verified Buyer

                Pros

                • All in one lens

                Cons

                • Lens Creep
                • Middle Inner Tube Wobble
                • Slow Focus

                Best Uses

                • Casual Snapshooting

                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                My husband bought this lens for me as part of my first DSLR kit. This lens is very versatil and it does well the job it intends to do. Naturally it is not a professional quality lens, but it is a great walkaround lens. The center sharpness is quite good actually and the borders are okish. The middel barrel tube wobbles quite a bit but other than that the built quality is ok. The auto focus is silent, but no very fast. And of course the price is bargain (as it is was gift).

                • Was this a gift?:
                • Yes

                Share this review

                 
                5.0

                very good and easy to use

                By Dan

                from Sydney

                About Me Casual Photographer

                Verified Buyer

                Pros

                  Cons

                    Best Uses

                      Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                      I'm not a serious photographer but this lens saves me carrying different lenses and is easy to use. Very happy with purchase.

                      • Was this a gift?:
                      • No

                      Share this review

                      (1 of 2 customers found this review helpful)

                       
                      5.0

                      LOVE THIS LENS!

                      By Jo

                      from Pebble Beach, CA

                      About Me Semi-pro Photographer

                      Verified Buyer

                      Pros

                      • Consistent Output
                      • Durable
                      • Easily Interchangeable
                      • Fast / accurate auto-focus
                      • Like Lens Lock Feature
                      • Rugged
                      • Strong Construction

                      Cons

                      • So Far No Cons

                      Best Uses

                      • Wildlife Photos

                      Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                      I WAS LOOKING FOR AN ALL-PURPOSE AFFORDABLE LENS THAT I COULD TRAVEL WITH. ALTHOUGH I AM STILL EXPERIMENTING AND GETTING TO KNOW MY WAY AROUND THE LENS I'M PRETTY SURE I HAVE FOUND IT! SO FAR I AM THRILLED WITH THE IMAGE RESULTS I AM GETTING.

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      5.0

                      18-250mm F3.5-6.3 DC Macro HSM Pentax

                      By Malik

                      from VN

                      About Me Semi-pro Photographer

                      Pros

                      • Durable
                      • Nice Bokeh
                      • Rugged
                      • Strong Construction

                      Cons

                      • Slow Focus

                      Best Uses

                      • Landscape/Scenery
                      • Macro Photography
                      • Sports/Action
                      • Weddings/Events
                      • Wildlife Photos

                      Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                      Generally I love Sigma lens in terms of IQ and picture quality so overall this is a nice lens, just give a bit over exposure under some critical light situation. Very sharp from 8 to 11 and work perfectly well on 250mm zoom.
                      I just wanted to have all in one lens so I bought it and I must say that it was not bad decision at all. I love this lens and it is a great lens in all aspects though a bit slow on AF in low light but that is the common problem with almost zoom lens. AF motor is very quite and almost silent when zooming in or out.
                      I will defiantly buy more product from Sigma!
                      Service from B&H was amazingly fast indeed and I do appreciate it of couse.

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      4.0

                      Versatile It Is...

                      By mwilky

                      from Connecticut

                      About Me Casual Photographer

                      Verified Buyer

                      Pros

                      • Consistent Output
                      • Rugged
                      • Strong Construction

                      Cons

                      • Tough To Attach

                      Best Uses

                      • Landscape/Scenery
                      • Wildlife Photos

                      Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                      ...and it takes pretty good photos too.I got this as a "walk around and take it with me" lens for when I don't have the opportunity to pack my prime lenses or my more costly Pentax zoom.I gave the lens its first major test yesterday and it came through pretty well. The minor issues were probably more to do with the unsteady photographer (on a moving boat, so some focal issues) and the conditions (super bright on the water, so some fringing in the dark areas). I probably wouldn't have noticed if I weren't examining the shots in Lightroom.So far, though, I'm pleased with the quality and versatility of the len and I was able to purchase it for about $. I consider myself an enthusiastic amateur. This lens will tide me over until I can afford the Pentax *60-250.

                      • Was this a gift?:
                      • No

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                      5.0

                      Terrific Value

                      By Michael

                      from White Plains, NY

                      About Me Semi-pro Photographer

                      Verified Buyer

                      Pros

                        Cons

                        • Poor in Low Light

                        Best Uses

                        • Family
                        • Landscape/Scenery
                        • Portraits
                        • Weddings/Events

                        Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                        This is a great lens when you don't want to carry many different lenses with you. There are faster and sharper lenses, but not with this range. And I find the lens remarkably sharp. I use a Pentax K5,which has image stabilization built in. That undoubtedly helps me get sharp images. This is not a low-light lens, especially at 250 because the max aperature there is 6.3. But for general use, I am very impressed.

                        • Was this a gift?:
                        • No

                        Share this review

                        (2 of 3 customers found this review helpful)

                         
                        4.0

                        Nice lens

                        By djam

                        from iowa

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

                        • Consistent Output
                        • Durable
                        • Easily Interchangeable
                        • Fast / accurate auto-focus
                        • Lightweight
                        • Nice Bokeh

                        Cons

                        • 250mm Seems Inaccurate
                        • Not Really 250mm

                        Best Uses

                        • Indoors/Low Light
                        • Landscape/Scenery
                        • Macro Photography
                        • Night Photography
                        • Sports/Action
                        • Video
                        • Weddings/Events
                        • Wildlife Photos

                        Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                        As my headline says, this is a nice lens. It is well constructed, focuses very fast, is nearly silent, and takes great pictures. However, when I compared it to my Pentax DA 55-300 lens I found that if I set the shutter speed and aperture the same on both lenses and let the camera choose ISO, the Sigma always had a higher ISO, thus more noise in the photo. If I set everything identical in manual, then the Sigma lens was always noticeably darker. The other thing I noticed was that even though the Sigma says it zooms to 250mm I noticed that at the same focal distance the Pentax was much closer, in fact 250mm on the Sigma was about the same as 135mm on the Pentax. For these reasons I returned the Sigma. However, if you don't mind a somewhat over-stated telephoto range of 250mm, and you need the flexibility of the 18mm wide angle, then I think you will be very happy with this lens.

                        • Was this a gift?:
                        • No

                        Share this review

                         
                        5.0

                        Just what I wanted

                        By LenUlven

                        from Stockholm, Sweden

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

                        • Durable
                        • Easily Interchangeable
                        • Nice Bokeh
                        • Strong Construction

                        Cons

                        • Slow Focus

                        Best Uses

                        • Indoors/Low Light
                        • Landscape/Scenery
                        • Night Photography

                        Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                        I bought this as an all round lens - mainly for traveling with. It is perfect and reduces the number of lenses that needs to be packed! Build quality is very good and the performance is also very good considering the large interval and the relatively small size!

                        • Was this a gift?:
                        • No

                        Share this review

                         
                        5.0

                        Love this Lens

                        By Focus Franny

                        from Seattle, WA

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

                        • Consistent Output
                        • Durable
                        • Easily Interchangeable
                        • Fast / accurate auto-focus
                        • Rugged
                        • Strong Construction

                        Cons

                          Best Uses

                          • Landscape/Scenery
                          • Macro Photography
                          • Wildlife Photos

                          Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                          This lens is such an upgrade from the Tamron 18-200mm for my Pentax K5iss. Very easy to use, sharp and very fun.

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          4.0

                          18-250mm F3.5-6.3 Macro HSM for Pentax

                          By Caveman

                          from Missouri

                          About Me Semi-pro Photographer

                          Verified Buyer

                          Pros

                            Cons

                              Best Uses

                                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                                General photography, macro & landscape. On macro at
                                full extension it is a little blury when put on the
                                screen most can be cured in Photoshop, but is a good all round lens with a nice range on my pentax k-5.

                                • Was this a gift?:
                                • No

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                                (1 of 1 customers found this review helpful)

                                 
                                4.0

                                probably the best walkaround lens

                                By ankyloman

                                from western MASS

                                About Me Photo Enthusiast

                                Verified Buyer

                                Pros

                                • Consistent Output
                                • Easily Interchangeable
                                • Lightweight
                                • Rugged

                                Cons

                                • Lens Creep

                                Best Uses

                                • Landscape/Scenery
                                • Macro Photography
                                • Travelgeneral Walkaround

                                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                                Purchased for use on guided tour vacations. Used on ~3 week trip around Aegean. Very flexible: wide angles of Parthenon; telephoto of ships on Bosporus; good close-ups of small objects in museums. Image quality is excelleent at shorter focal lengths, good to very good at the long end. There is lens creep if the lens is left at anything other than the 18mm setting, which is mildly annoying. A compact, light-weight lens with excellent range, excellent close focusing, and very good IQ. At the price, it is impossible to beat.

                                • Was this a gift?:
                                • No

                                Share this review

                                 
                                4.0

                                Very good multipurpose lens

                                By JohnQ

                                from Binghamton, NY

                                About Me Semi-pro Photographer

                                Verified Buyer

                                Pros

                                • Consistent Output
                                • Fast / accurate auto-focus
                                • Strong Construction

                                Cons

                                • Heavy
                                • Lens Creep

                                Best Uses

                                • Landscape/Scenery
                                • Wildlife Photos

                                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                                I've found this to be an good lens for general use in a variety of situations. I've used it indoors and out even in near zero temperatures without a problem. The auto focus is quick and VERY quiet. It is a bit heavy, but weighs less than the two zoom lenses that it has replaced. The zoom will creep if the lens is not level so I need to keep a rubber band around the proximal end of the barrel to act as a brake. That works fine in all the situations in which I've used it.

                                • Was this a gift?:
                                • No

                                Share this review

                                 
                                4.0

                                great deal until 4/30/13

                                By jon

                                from san francisco,ca

                                About Me Casual Photographer

                                Verified Buyer

                                Pros

                                • Durable
                                • Easily Interchangeable
                                • Fast / accurate auto-focus
                                • Strong Construction

                                Cons

                                • Poor in Low Light

                                Best Uses

                                • Landscape/Scenery
                                • Video
                                • Wildlife Photos

                                Comments about Sigma 18-250mm F3.5-6.3 DC Macro HSM for Pentax K Cameras:

                                i was looking for a all-in-one lense for traveling, the pentax 18-270mm wasn't looking good from the reviews i came across plus it was $..The sigma 18-250mm on sale for $ until the end of april what a deal considering sigma website listed this lense for $ ..i'm about a week in and the photos look good across the focal length,but i'm a noob so yeah lolz

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