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Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF

You Pay: $179.00
Product Highlights
  • For Pentax Cameras
  • Zoom Telephoto
  • Maximum Magnification of 1:2
  • 9-Blade Diaphragm
  • Lightweight (19.4 oz)
  • Lens Hood Included

Sigma's 70-300mm f4-5.6 APO DG Macro is one of several tele zoom lenses. It is a compact Apochromatic tele zoom lens incorporating two Special Low Dispersion glass elements in the front lens group, plus one Special Low Dispersion glass element in the rear lens group, to minimize chromatic aberration.

 

This Tele-Macro Zoom lens is capable of focusing down to 1:2 (half life-size) reproduction ratio at 300mm focal length. It also has a switch for changeover to macro photography at focal lengths between 200mm and 300mm. The lens materials used in this product are lead and arsenic free ecological glass.

The improved DG lens design corrects for various aberrations. This lens is specially coated to get the best color balance whilst cutting down on ghosting caused by reflections from the digital image sensor.

Macro photography with a 1:2 maximum close-up magnification at the 300mm focal length
Switch for changeover to macro photography at focal lengths between 200mm and 300mm with a maximum close-up magnification from 1:2.9 to 1:2
Performance
Focal Length 70 - 300mm
Aperture Maximum: f/4 - 5.6
Minimum: f/22 - 32
Camera Mount Type Pentax K
Format Compatibility 35mm Film / Full-Frame Digital Sensor
Pentax Digital (APS-C)
Angle of View 34.3° - 8.2°
Minimum Focus Distance 59.1" (150.11 cm)
Magnification 1 - 2x
Maximum Reproduction Ratio 1:2
Elements/Groups 14/10
Diaphragm Blades 9
Features
Image Stabilization No
Autofocus Yes
Tripod Collar No
Environmental
Physical
Filter Thread 58 mm
Dimensions (DxL) Approx. 3.0 x 4.70" (7.62 x 11.95 cm)
Weight 19.4 oz (550 g)
Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF
  • Front & Rear Lens Caps
  • Lens Hood
  • Soft Lens Case
  • 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
    Sigma70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF
     
    4.6

    (based on 33 reviews)

    Ratings Distribution

    • 5 Stars

       

      (23)

    • 4 Stars

       

      (8)

    • 3 Stars

       

      (2)

    • 2 Stars

       

      (0)

    • 1 Stars

       

      (0)

    97%

    of respondents would recommend this to a friend.

    Pros

    • Fast / accurate auto-focus (22)
    • Consistent output (18)
    • Easily interchangeable (17)
    • Durable (16)
    • Lightweight (14)

    Cons

    • Poor in low light (4)
    • Slow focus (3)

    Best Uses

    • Wildlife photos (15)
    • Sports/action (13)
    • Landscape/scenery (10)
    • Macro photography (8)
    • Weddings (5)
      • Reviewer Profile:
      • Photo enthusiast (12), Enthusiast (5), Casual photographer (3), Semi-pro photographer (3)
      • Was this a gift?:
      • No (14)

    Most Liked Positive Review

     

    Sigma lens quality just as advertised

    I am an amateur photographer and take my camera everywhere...vacations, camping, and hiking. Before purchasing this lens I read many online reviews comparing its performance and ease of operation. So far...Read complete review

    I am an amateur photographer and take my camera everywhere...vacations, camping, and hiking. Before purchasing this lens I read many online reviews comparing its performance and ease of operation. So far it has operated flawlessly and performed as advertised. Beside the fact that it produces clear sharp images I love its light weight, especially when hiking or on long sightseeing walks. It attaches to my Pentax K mount smoothly and does not hang up...a problem that I read about with some other aftermarket brands.

    VS

    Most Liked Negative Review

     

    Good for the money

    I use this to shoot basketball and swimming and find myself switching to manual about half the time. When it is in focus it's sharp, but it doesn't move as fast as my lost...Read complete review

    I use this to shoot basketball and swimming and find myself switching to manual about half the time. When it is in focus it's sharp, but it doesn't move as fast as my lost Pentax 55-200 and it doesn't let you fine-tune the focus manually as a Pentax would. However, when the subject falls within the depth of field I get crisp results. The aperture is a little slow for indoor basketball - I'm forced to shoot at ISO 3200. If you're willing to manually focus when shooting sports and can live without evening shots, you'll be very pleased with this lens.

    Reviewed by 33 customers

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    5.0

    Good lens

    By FS

    from Fulton, NY

    About Me Casual Photographer

    Verified Buyer

    Pros

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

    Cons

      Best Uses

      • Landscape/Scenery
      • Sports/Action
      • Wildlife Photos

      Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

      I bought this for my Pentax K-500 DSLR Camera. It's easy to to attach to camera and is not heavy. I use this taking photos at dog shows and for sports & wildlife. It's worth the cost!

      • Was this a gift?:
      • No

      Share this review

       
      4.0

      Good lens for the price

      By Nicholas

      from Nevada

      Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

      This lens produces pretty good results when adapted to the pentax q7 and works fairly well for astrophotography and macro work. Because I can only use it as a manual lens the focus noise and speed that other users have commented on are irrelevant. All in all a pretty good lens.

      Share this review

      (4 of 4 customers found this review helpful)

       
      5.0

      Great Lens

      By James

      from Chapin IL.

      About Me Photo Enthusiast

      Verified Buyer

      Pros

      • Consistent Output
      • Easily Interchangeable
      • Image quality
      • Lightweight
      • Nice Bokeh

      Cons

      • None so far

      Best Uses

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

      Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

      Image quality was my only conceren when buying this lens. I compared 4 lenses head to head on my k5. I took the same picture with the same f-stop (f 11). pentax 55-200, pentax 55-300, sigma 18-250 and sigma 70-300 non apo. I whent back and took same pic with this 70-300 apo lens,this lens was the best.
      worst of the bunch was the pentax 55-200
      next was the pentax 55-300
      then the sigma 18-250
      then the siga 70-300 non apo
      I did not purchase the non apo version I wanted the apo version. I order the apo 70-300 you can't beat the image quality anywhere near this price.
      Now that being said it could focus faster, sometimes hunts in low light, could be bigger f-stop wide open its a little slow. Would also nice if it was a little wider at the short end. Image quality is everything in my book i candeal with slow focus and raise my iso to get a faster shutter speed if needed.
      All in all a great lens best I could find that I could afford.

      • Was this a gift?:
      • No

      Share this review

      (2 of 2 customers found this review helpful)

       
      5.0

      very sharp glass for the price

      By bill

      from belchertown ma.

      About Me Photo Enthusiast

      Verified Buyer

      Pros

      • Easily Interchangeable
      • Fast / accurate auto-focus
      • Lightweight
      • Strong Construction
      • Very Sharp Glass

      Cons

      • Zoom Slightly Tight

      Best Uses

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

      Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

      i bought this lens to shoot 35mm slides and some digital,only tried it once with good results.the focus was right on with good color and sharpness from edge to edge.i photographed monadnock mtn. from 60 miles away with f-stop 16 and got a very clear image.i have not tried it with the larger f-stops because i normally use a tripod and want much depth of field.i`m looking forward to use it more.

      • Was this a gift?:
      • No

      Share this review

      (3 of 3 customers found this review helpful)

       
      5.0

      Sigma lens quality just as advertised

      By Bob

      from Phoenix, Arizona

      Pros

      • Durable
      • Easily Interchangeable
      • Fast / accurate auto-focus
      • Lightweight

      Cons

        Best Uses

          Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

          I am an amateur photographer and take my camera everywhere...vacations, camping, and hiking. Before purchasing this lens I read many online reviews comparing its performance and ease of operation. So far it has operated flawlessly and performed as advertised. Beside the fact that it produces clear sharp images I love its light weight, especially when hiking or on long sightseeing walks. It attaches to my Pentax K mount smoothly and does not hang up...a problem that I read about with some other aftermarket brands.

          • Was this a gift?:
          • No

          Share this review

          (2 of 2 customers found this review helpful)

           
          5.0

          Way beyond my expectations

          By Streetshooter

          from Seattle, WA

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Consistent Output
          • Fast / accurate auto-focus

          Cons

            Best Uses

            • Sports/Action

            Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

            My expectations for the performance of this lens were modest. How much could $ buy? As it turns out, a great deal. The images are surprisingly crisp, even in low light, and at great distances. The autofocus is plenty fast enough for my purposes, which includes sports. It probably would not satisy professional photographers, but an enthusiastic amateur will not be disappointed.

            • Was this a gift?:
            • No

            Share this review

            (1 of 1 customers found this review helpful)

             
            5.0

            Great inexpensive lens

            By Gabriel B

            from Québec, Canada

            About Me Photo Enthusiast

            Verified Buyer

            Pros

            • Aperture Ring
            • Easily Interchangeable
            • Nice Bokeh

            Cons

            • Bulky in macro mode
            • Poor in Low Light
            • Slow Focus

            Best Uses

            • Macro Photography
            • Wildlife Photos

            Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

            I use it mostly for wildlife photography and closeup/macro shots. The IQ is great with no visible chromatic aberration and the focus is surprisingly crisp past 200mm. The presence of an aperture ring on the Pentax version is a definite plus, making it possible to use it on older 35mm cameras. The lens does get bulky at 300mm in macro mode, up to a foot long without the lens hood. Low light performance isn't great. Overall I'm very satisfied, this is a great lens for the price and I highly recommend it.

            • Was this a gift?:
            • No

            Share this review

             
            5.0

            Sigma lens quality just as advertised

            By Bob

            from Phoenix, AZ

            About Me Photo Enthusiast

            Verified Buyer

            Pros

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

            Cons

              Best Uses

                Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                I am an amateur photographer and take my camera everywhere...vacations, camping, and hiking. Before purchasing this lens I read many online reviews comparing its performance and ease of operation. So far it has operated flawlessly and performed as advertised. Beside the fact that it produces clear sharp images I love its light weight, especially when hiking or on long sightseeing walks. It attaches to my Pentax K mount smoothly and does not hang up...a problem that I read about with some other aftermarket brands.

                • Was this a gift?:
                • No

                Share this review

                (0 of 1 customers found this review helpful)

                 
                3.0

                Does the job!

                By JD

                from Melbourne, Australia

                About Me Casual Photographer

                Verified Buyer

                Pros

                  Cons

                  • Poor in Low Light

                  Best Uses

                  • Landscape/Scenery
                  • Sports/Action

                  Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                  Don't get me wrong the lens does what it's meant to do but it's just pretty lack lustre... It performs pretty bad in low light and just looks plain ugly.
                  I made the mistake of purchasing this over the Pentax and I regret my decision. Included case is nice however.

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  5.0

                  Fantastic quality lens for the money

                  By The Ollster

                  from Sydney, Australia

                  About Me Photo Enthusiast

                  Verified Buyer

                  Pros

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

                  Cons

                  • Poor in Low Light

                  Best Uses

                  • Macro Photography
                  • Sports/Action
                  • Wildlife Photos

                  Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                  Picked this lens up to get sharper telephoto shots for sports and wildlife. Lens has exceeded my expectations! Pictures appear very warm, clear and most importantly sharp. May struggle a little in low light but otherwise great zoom range and picture quality for the price. Macro shots are particularly impressive!

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  5.0

                  Great for outdoor shooting

                  By Walter

                  from Roy, WA

                  About Me Semi-pro Photographer

                  Verified Buyer

                  Pros

                  • Consistent Output
                  • Easily Interchangeable
                  • Fast / accurate auto-focus

                  Cons

                    Best Uses

                    • Landscape/Scenery

                    Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                    Used it outdoors at a Kite festival, and worked wonderfully with my K-5. No CA detectable at 300mm, and well fast enough during Washington State's cloudy skies.

                    • Was this a gift?:
                    • No

                    Share this review

                    (1 of 1 customers found this review helpful)

                     
                    5.0

                    Surprisingly Excellent

                    By phillyfotographer

                    from Philadelphia,Pa

                    About Me Semi-pro Photographer

                    Verified Buyer

                    Pros

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

                    Cons

                    • Heavy

                    Best Uses

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

                    Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                    It is amazing how well this lens captures images. The equipment freaks may lament that it dose not have the hardiest of components that well may not hold up under extreme professional use, but the images are excellent! The price of this lens is so reasonable, you can't ask for more! And isn't that what photography should be all about...great images!

                    • Was this a gift?:
                    • No

                    Share this review

                    (1 of 1 customers found this review helpful)

                     
                    4.0

                    Amazingly Versatile

                    By HINGE

                    from Central New York

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

                    • Compact
                    • Durable
                    • Macro

                    Cons

                    • Difficult to exit Macro
                    • Slow Focus

                    Best Uses

                    • Macro Photography
                    • Video
                    • Wildlife Photos

                    Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                    Rundown: I am an amateur photographer/ film maker and frankly this lens is amazing. I had previously been using only a 18-55mm lens and the capabilities of the zoom lens is just outstanding. Being able to rapidly switch between 70mm and 300mm is just great! You can get super clear semi-wide-angle shots and even better close ups.

                    Build: The lens feels very solidly built, it has enough heft to make it feel like your holding something well built, but it's not so heavy that it feels like you are carrying around a brick. Plus the matte finish on it is great, as with the large focus ring and zoom ring.

                    Picture Quality: This takes amazing photos, they are very sharp and generally breathtaking. Now this is just from me looking at the photos (not testing them rigorously). It gives you the amazing DOF control that most tele-photos offer. The only down side being that you can't have very large aperture's due to the nature of the lens (unlike a prime lens). But what you lack in technical ability you gain in this lens being a perfect travel lens, and is an all around versatile beast.

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    5.0

                    My favorite lens

                    By steff

                    from Ocala, FL

                    About Me Photo Enthusiast

                    Pros

                    • Consistent Output
                    • Good color sharpness and
                    • Strong Construction

                    Cons

                    • Heavy

                    Best Uses

                    • Sports/Action
                    • Wildlife Photos

                    Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                    I purchased this Sigma lens several years ago after my Pentax DA 50-200 ED disappointed. I've used it on both my K100d and Kx with excellent results, although it feels better, and seems to take better pictures, with the larger, heavier and 6 mp K100d. It stays mounted on the K100d, and this is the camera I use around the farm, and for pictures of other peoples horses and mock macros. I keep a good point and shoot in the bag for instances when the 70mm is just too much lens. The combination is not that great for a walk-around, too heavy and too large, and for that I pick up the Kx and the 50-200. Forget landscapes, of course. Overall, an excellent lens.

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    4.0

                    Great Pictures

                    By Steve the art teacher

                    from Billerica, MA

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

                    • Durable
                    • Easily Interchangeable
                    • Rugged
                    • Strong Construction

                    Cons

                      Best Uses

                      • Wildlife Photos

                      Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                      I asked for this lens for Christmas from my wife. My hobby is taking a lot of wildlife pictures. I had an older Pentax 300 zoom. My pictures were out of focus and dark. This lens is great. I can get really close with my k200. The pictures are in focus and they are plenty bright. It is not too heavy. Holding it for a long time to get that perfect shot is not that straining. However, it does not seem so light weight that it feels cheap. It really feels durable and I love the finish on it. The finish is textured so that it doesn't feel like it will slip out of my hands and it is matte so that it isn't too shiny when out taking shots of wildlife. I have just started to play with the macro setting on the lens but so far it seems to work pretty well. I gave it four stars because it is a great lens for the price. I know that if we could afford a more expensive lens I would get even better pictures. Even so, I think this is a great lens that I can afford. I recommend it for any of you that want better pictures but don't want to break the bank.

                      • Was this a gift?:
                      • Yes

                      Share this review

                      (4 of 4 customers found this review helpful)

                       
                      4.0

                      Great Little Lens

                      By Tomba

                      from Hollister Ca.

                      About Me Pro Photographer

                      Verified Buyer

                      Pros

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

                      Cons

                        Best Uses

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

                        Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                        I'm using this lens as a casual alternative to my pro lenses and I'm pretty impressed. All the way out to 300 it's a little soft but generally edge sharpness and intermediate sharpness is really good. For [$] you don't have to worry about ruining a $1000 lens if there is a mishap while shooting. I recommend this lens to photographers with all levels of expertise.

                        • Was this a gift?:
                        • No

                        Share this review

                         
                        5.0

                        Great lens

                        By Spiritimages

                        from Portland, Maine

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

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

                        Cons

                        • Poor in Low Light

                        Best Uses

                        • Landscape/Scenery
                        • Macro Photography
                        • Wildlife Photos

                        Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                        I love using this lens on my Pentax Digital camera. It has a good overall range, and the results are sharp and crisp. The Marco is easy to use once you read the directions. I have gotten some beautiful flower and bird pictures with it. I would recommend this product.

                        Share this review

                         
                        5.0

                        Great Lens, quick focus and sharp photos

                        By XLCH

                        from Anchorage, AK

                        About Me Semi-pro Photographer

                        Verified Buyer

                        Pros

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

                        Cons

                          Best Uses

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

                          Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                          Used for wildlife and candid photos of people and distance scenes like glaciers and distant valleys.

                          Share this review

                           
                          4.0

                          Thumbs up

                          By Carla

                          from Baltimore

                          About Me Casual Photographer

                          Verified Buyer

                          Pros

                          • Consistent Output
                          • Lightweight

                          Cons

                          • Tough To Attach

                          Best Uses

                          • Landscape/Scenery
                          • Wildlife Photos

                          Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                          I like to take shots from far away so people will act normal when they see a camera. It gets the photos I want and its light weight.

                          I wish it was a little easier to put on the camera. It could just be me though & I wish it fit in my bag with my other things.

                          Over all luv it!

                          Share this review

                           
                          5.0

                          Amazing lens!!!

                          By fhg2005

                          from Quebec City

                          About Me Photo Enthusiast

                          Verified Buyer

                          Pros

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

                          Cons

                            Best Uses

                            • Macro Photography
                            • Sports/Action
                            • Wildlife Photos

                            Comments about Sigma 70-300mm f/4-5.6 APO DG Macro Autofocus Lens for Pentax AF:

                            Great value. Amazing lens. What can I say? it fits all my needs at the moment. I have recently gotten into photography and it enables me to take crisp photos even at the 300mm range. Highly recommend to anyone even considering it! Also, have not yet come across this 'purple fringe' stuff that some people talk about.

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