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Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens

B&H # SO5018 MFR # SAL50F18
In Stock
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Product Highlights

  • 35mm Equivalent: 75mm
  • Aperture Range: f/1.8-22
  • For DT Alpha & Minolta DSLRs
  • Optimized for APS-C Image Sensors
  • Smooth Autofocus Motor (SAM)
  • Extra-Low Dispersion (ED) Glass
  • 7x Circular Aperture Blades
  • Filter Diameter: 49mm
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The 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens from Sony may look like a standard prime lens, but being a lens designed for cropped APS-C sized DT-mount cameras, it is actually a short telephoto lens with the 35mm equivalent of a 75mm focal length. The wide f/1.8 aperture, and seven circular aperture blades, provide excellent out of focus, "bokeh" background effects as well as faster shutter speeds for low-light shooting.

Build with Sony's Smooth Autofocus Motor (SAM), the 50mm lens elements are directly controlled by the SAM unit for fast yet smooth AF when you need it most. To reduce chromatic aberrations, Sony also built Extra-low Dispersion (ED) glass into the elements, producing sharper images with well defined contrast.

75mm Fixed Lens (35mm Equivalent)
This bright 50mm lens is a normal focal length that is the 35mm equivalent of a 75mm focal length when mounted onto the cropped APS-C sized cameras it is designed for.
Aperture Range: f/1.8-22
The range of available apertures begin at a wide f/1.8 and continue to a narrow f/22.
For DT Alpha & Minolta DSLRs
Designed for APS-C sized sensors, this lens may be used on any Sony Alpha & Minolta DT-mount camera, depending on your needs and current system.
Smooth Autofocus Motor (SAM)
Designed for fast, smooth and silent automatic focusing, Sony's unique Smooth Autofocus Motor (SAM) technology achieves high torque at low speed with rapid start/stop response. The AF control signals from the camera body are sent to the lens-mounted SAM unit, which drives the lens directly, helping to assure quick and accurate AF response.
Extra-Low Dispersion (ED) Glass
To reduce chromatic aberrations, the extra-low dispersion glass corrects for specific wavelengths of light - producing sharper images with truer colors.
7x Circular Aperture Blades
Circular aperture blades produce smooth, rounded "bokeh" background effects when capturing spot-light sources in your pictures. Because the aperture blades form a near circle at the wide openings used for low-light shots, spot-light sources have a pleasing out of focus effect.
Performance
Focal Length 50mm
Comparable APS-C Focal Length: 75 mm
Aperture Maximum: f/1.8
Minimum: f/22
Camera Mount Type Sony Alpha, Minolta AF
Format Compatibility DSLR (APS-C Sensor)
Angle of View 32°
Minimum Focus Distance 1.12' (.34 m)
Magnification 0.20x
Maximum Reproduction Ratio 1:5
Elements/Groups 6/5
Diaphragm Blades 7
Features
Image Stabilization No
Autofocus Yes
Tripod Collar No
Environmental
Physical
Filter Thread Front:49 mm
Dimensions (DxL) Approx. 1.77 x 2.76" (4.50 x 7.01 cm)
Weight 6.00 oz (170 g)
Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens
  • Front Lens Cap
  • Rear Lens Cap
  • Limited 1-Year Warranty
  • REVIEW SNAPSHOT®

    by PowerReviews
    Sony50mm f/1.8 DT Alpha A-Mount Standard Prime Lens
     
    4.6

    (based on 155 reviews)

    Ratings Distribution

    • 5 Stars

       

      (100)

    • 4 Stars

       

      (48)

    • 3 Stars

       

      (5)

    • 2 Stars

       

      (2)

    • 1 Stars

       

      (0)

    98%

    of respondents would recommend this to a friend.

    Pros

    • Lightweight (111)
    • Easily interchangeable (88)
    • Fast / accurate auto-focus (84)
    • Consistent output (78)
    • Nice bokeh (61)

    Cons

    • Weak casing (19)
    • Slow focus (16)
    • Plastic construction (3)
    • Poor in low light (3)

    Best Uses

    • Low light (101)
    • Weddings (59)
    • Night photography (52)
    • Landscape/scenery (31)
    • Macro photography (22)
      • Reviewer Profile:
      • Photo enthusiast (66), Semi-pro photographer (31), Casual photographer (29), Photography student (6), Pro photographer (5)
      • Was this a gift?:
      • No (93), Yes (11)

    Most Liked Positive Review

     

    Performs like a $[$]lens!

    Perfect for portrait photography and closer shots (not macro)
    This lens is great at blurring out backgrounds. See attached photo example.

    I use this lens with my Sony a77
    Read complete review

    Perfect for portrait photography and closer shots (not macro)
    This lens is great at blurring out backgrounds. See attached photo example.

    I use this lens with my Sony a77

    Would HIGHLY recommend. Best value hands down.

    VS

    Most Liked Negative Review

     

    One of my favorite lenses

    Use for low light shots indoors. Also use for people pictures. After getting used to the lens, I can blur the background out by setting to f/1.8. Tried using outdoors, but...Read complete review

    Use for low light shots indoors. Also use for people pictures. After getting used to the lens, I can blur the background out by setting to f/1.8. Tried using outdoors, but lens is not ideal for scenery: too narrow field of view. Also when outdoors and using a circular polarizer, the sun easily catches the filter and may ruin the shot. Needs a lens hood of some kind, one that will cover the filter. Another annoyance is that you must set the circular polarizer after focusing, since that part of the lens rotates when focusing.
    Pictures are sharp and clear.

    Reviewed by 155 customers

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    5.0

    Great purchase!!

    By Kshinn

    from Pottsville, AR

    Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

    I am new to the camera world, and a 50mm was highly recommended! I am very much impressed!!

    Share this review

     
    5.0

    Great Lens

    By jurikn12

    from Holland, MI

    About Me Photo Enthusiast

    Verified Buyer

    Pros

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

    Cons

    • Weak Casing

    Best Uses

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

    Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

    I use this for photos and video. It has very smooth auto-focus and is generally pretty quiet. The photos are very sharp and look great. It is a great quality lens. The only thing I found wrong with it was that the mounting ring on the lens is not completely metal. That is a very small issue with an overall great lens.

    • Was this a gift?:
    • No

    Share this review

     
    5.0

    Una lente muy luminosa

    By Astrocucho

    from Toluca, Mexico

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Consistent Output
    • Easily Interchangeable
    • Lightweight

    Cons

      Best Uses

      • Indoors/Low Light
      • Night Photography

      Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

      Adquirí esta lente para captura de video y fotos en ambientes de poca luz como festivales escolares. Puedo reducir el tiempo de exposición hasta en un factor de 6 con respecto a la lente SAL1855 que venía de serie con la cámara Sony Alfa 55.

      • Was this a gift?:
      • No

      Share this review

       
      5.0

      Short but spot on!!

      By Saxman

      from Arkansas

      About Me Casual Photographer

      Verified Buyer

      Pros

      • Durable
      • Easily Interchangeable
      • Lightweight
      • Rugged

      Cons

        Best Uses

        • Indoors/Low Light
        • Landscape/Scenery
        • Sports/Action
        • Wildlife Photos

        Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

        We bought this for our daughter in law and she loves it! It is exactly what she wanted and offers her further options for her picture taking! Would highly recommend this product!

        • Was this a gift?:
        • Yes

        Share this review

         
        4.0

        Amazing!

        By Amazing

        from Connecticut

        Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

        At first I was skeptical on purchasing this lens because of the mixed reviews! But needless to say I am so glad I bought this lens. It does everything I need it to do and the bokeh is great! I mainly use it to film my YouTube videos and I love how it blurs out the background of my videos! It is also great with taking pictures. It takes a little getting use to because it is a prime lens, so you cannot zoom. But you get use to it! If you're going to be purchasing your first lens besides the 18-55mm lens I would highly recommend this one!

        Share this review

         
        5.0

        Good entry levek

        By Shoreguy

        from Down the shore nj

        About Me Photo Enthusiast

        Verified Buyer

        Pros

          Cons

            Best Uses

              Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

              Check out Depth of Field as a procedure

              • Was this a gift?:
              • No

              Share this review

               
              4.0

              Compact and bright

              By ApyhP

              from Fargo, ND

              About Me Photo Enthusiast

              Verified Buyer

              Pros

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

              Cons

                Best Uses

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

                Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                I use it on my SLT-A65. It is quite compact and very fast to focus as well. Although I have zooms that work in the same range they are not f1.8 and they are not light or bright as this one. This lens has very few shortcomings that does affect it's functionality. They include, (1) it is plastic light, (2) The focusing ring is not well demarcated, and (3) Canon and Nikon make similar 50mm (eg: Nikon 50/1.8D - $ on BH) that is a bit heavier but works as well as this lens or are even sharper and at the same price point or less they are full frame as well. In case in the future you will move to a full frame camera this lens would have served it's purpose. All the same this lens does what it is supposed to and I am more than satisfied with the job it does.

                • Was this a gift?:
                • No

                Share this review

                 
                5.0

                Great Prime Lens

                By Frozen Alaska Blonde

                from Alaska

                About Me Semi-pro Photographer

                Verified Buyer

                Pros

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

                Cons

                  Best Uses

                  • Indoors/Low Light
                  • Landscape/Scenery
                  • Weddings/Events
                  • Wildlife Photos

                  Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                  I love the clarity of this lens! Nice lens to add to your collection.

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  4.0

                  Good value

                  By Garfield

                  from Puyalup, WA

                  About Me Casual Photographer

                  Verified Buyer

                  Pros

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

                  Cons

                  • None yet

                  Best Uses

                  • Macro Photography
                  • Night Photography

                  Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                  I bought this lens so I could get more depth-of-field over the 18-50mm lens that came with the camera, which was also only F5.6. It takes good low-light pics and does improve depth of field. Next purchase should be a 300mm telephoto.

                  • Was this a gift?:
                  • No

                  Share this review

                   
                  4.0

                  Great color and sharper images!

                  By Trill Photography

                  from Houston, TX

                  About Me Photo Enthusiast

                  Verified Buyer

                  Pros

                  • Consistent Output
                  • Easily Interchangeable
                  • Lightweight
                  • Nice Bokeh

                  Cons

                  • Slow Focus
                  • Weak Casing

                  Best Uses

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

                  Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                  I purchased this as my 2nd lens and it is wonderful! The picture quality is much more vivid and the f/1.8 allows my images to Pop! Usage is mainly for portraits and outdoor shots. It's a really good addition to your arsenal especially for the price. I gave it 4 stars only because of the plastic build. But other than that, this is a must have!

                  • Was this a gift?:
                  • No

                  Share this review

                  (1 of 1 customers found this review helpful)

                   
                  5.0

                  small but powerful lense

                  By Jun the professor

                  from Ann Arbor, MI

                  About Me Casual Photographer

                  Verified Buyer

                  Pros

                  • Consistent Output
                  • Lightweight
                  • Nice Bokeh

                  Cons

                    Best Uses

                    • Indoors/Low Light
                    • Wildlife Photos

                    Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                    this lens is awesome!
                    it is very useful for daily photo shooting.
                    I can take photos in low light, making photos more natural!
                    Above all, this lens is inexpensive!!
                    I love it.

                    • Was this a gift?:
                    • No

                    Share this review

                     
                    5.0

                    Light, sharp, bright & very inexpensive

                    By Sam

                    from Chicago, IL

                    About Me Semi-pro Photographer

                    Verified Buyer

                    Pros

                    • Consistent Output
                    • Easily Interchangeable
                    • Fast / accurate auto-focus
                    • Lightweight
                    • Low Price
                    • Modern Design

                    Cons

                      Best Uses

                      • Renaissance Fairs
                      • Weddings/Events

                      Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                      I bought this lens for my Sony a65 so that I could take candid closeup shots of the actors at the local renaissance fair. On the a65 it makes for a powerful but compact 24 megapixel that will work well photographing people in motion in the shady light that covers much of the fair. Size-wise it fits very nicely on the smaller body of the a65, though I'll no doubt use it on my a77 as well eventually. Combining all this with the in-camera stabilization of the Sony cameras provides a level of image quality that is unrivaled by the other camera companies, in my opinion.

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      5.0

                      New Favorite Lens!

                      By Kimbodinii

                      from Gurnee, IL

                      About Me Casual Photographer

                      Verified Buyer

                      Pros

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

                      Cons

                      • Filter Size

                      Best Uses

                      • Weddings/Events
                      • Wildlife Photos

                      Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                      This lens is awesome. I use it for pretty much everything now. It's fast, sharp and smooth. I'm not huge on the filters being 49 mm since most of the ones I have are 55 mm but it's no biggie. I was a little weary at first seeing how it was on the lower spectrum for prices, but I don't regret the purchase one bit! It does everything it says and more!

                      • Was this a gift?:
                      • No

                      Share this review

                      (1 of 1 customers found this review helpful)

                       
                      5.0

                      A great little lens

                      By JCFrost2240

                      from Virginia Beach, VA

                      About Me Semi-pro Photographer

                      Verified Reviewer

                      Pros

                      • Consistent Output
                      • Easily Interchangeable
                      • Good depth of field
                      • Sharp photos

                      Cons

                      • A Little Noisy
                      • made of plastic
                      • Not rugged

                      Best Uses

                      • Head-shots
                      • Macro Photography
                      • Portraits

                      Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                      I use this lens when I want to take photos with a sharp debth-of-field for things like portraits. It does a pretty good job and I have been rather impressed with the clarity this lens provides.

                      The auto-focus is a little noisy, but I can live with that.

                      All in all, a GREAT value for your money.

                      • Was this a gift?:
                      • No

                      Share this review

                       
                      5.0

                      EXCELENT!

                      By TV Spot 3D

                      from Mexico City

                      About Me Semi-pro Photographer

                      Pros

                      • Nice Bokeh

                      Cons

                        Best Uses

                        • Indoors/Low Light
                        • Video

                        Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                        Incredible and Nice Lens
                        Perfect for lo light and fast speed photos.

                        Light an compact.

                        • Was this a gift?:
                        • No

                        Share this review

                         
                        5.0

                        Nice lens

                        By Trish

                        from wisconsin

                        About Me Semi-pro Photographer

                        Verified Buyer

                        Pros

                        • Lightweight

                        Cons

                          Best Uses

                          • Indoors/Low Light

                          Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                          Very clear very nice love it!!

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          5.0

                          Great lens.... Will use a lot!!!

                          By Trish

                          from Wisconsin

                          Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                          Best lens for lower light.

                          Share this review

                           
                          5.0

                          Great lens for the price!

                          By Beangrl

                          from Pennsylvania

                          Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                          I found this lens to be a great buy for the money.

                          Share this review

                           
                          4.0

                          Good Lens for the price

                          By Flyin7

                          from Gillette, Wy

                          About Me Photo Enthusiast

                          Verified Buyer

                          Pros

                          • Consistent Output
                          • Lightweight
                          • Nice Bokeh

                          Cons

                          • Hard To Use Manual Focus

                          Best Uses

                          • Indoors/Low Light
                          • Macro Photography
                          • Portrait

                          Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                          Good lens for the price and produces good images. I use it mainly for doing portraits of my family. Only reason I didn't give it 5 stars was the fact that the focus ring is not easy to find or use.

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          5.0

                          A Must For Shooting Oil Paintings

                          By Brian the Artist

                          from Fredericksburg, VA

                          Verified Buyer

                          Pros

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

                          Cons

                            Best Uses

                            • Artwork Photography
                            • Indoors/Low Light

                            Comments about Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens:

                            Very easy to use. Excellent results for photography of oil paintings without any additional manipulation in an image editing program.

                            • Was this a gift?:
                            • No

                            Share this review

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