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CanonEF 40mm f/2.8 STM Lens
 
4.6

(based on 591 reviews)

Ratings Distribution

  • 5 Stars

     

    (384)

  • 4 Stars

     

    (184)

  • 3 Stars

     

    (20)

  • 2 Stars

     

    (2)

  • 1 Stars

     

    (1)

97%

of respondents would recommend this to a friend.

Pros

  • Lightweight (389)
  • Fast / accurate auto-focus (231)
  • Consistent output (200)
  • Easily interchangeable (198)
  • Nice bokeh (188)

Cons

  • Slow focus (44)
  • Poor in low light (29)
  • Weak casing (14)
  • Tough to attach (10)
  • Slow autofocus (3)

Best Uses

  • Low light (212)
  • Landscape/scenery (208)
  • Video (135)
  • Weddings (109)
  • Night photography (96)
    • Reviewer Profile:
    • Photo enthusiast (179), Semi-pro photographer (98), Pro photographer (61), Casual photographer (46), Photography student (20)
    • Was this a gift?:
    • No (375), Yes (19)

Most Liked Positive Review

 

Excellent value, a pleasure to use

Great lens. Quite sharp. Accurate and fast focus. It's a joy to use. Of course, it delivers in terms of being compact. I'm using it on a 1.6x camera, so it's...Read complete review

Great lens. Quite sharp. Accurate and fast focus. It's a joy to use. Of course, it delivers in terms of being compact. I'm using it on a 1.6x camera, so it's a somewhat awkward focal length. I look forward to the day I get to use it on a full frame. But you all know it's 40mm, so onward.

The mounting ring is really tight with my camera, and I have this feeling that I'm grinding something down when I mount or remove the lens. I don't think it hurts anything, so that's fine with me.

Unfortunately, the lens data is not pre-loaded on my t4i. But the image quality is so good that you hardly would ever need it. I will include a couple of photos. Both are unedited and were taken with in-camera settings neutral, and sharpness set to 0. The one of the leaf was taken with the lens wide open. You can see how quickly it passes in and out of focus. The background light shows the chromatic aberration about as badly as it ever gets, which is hardly at all! You can just barely see the opposing red vs. green fringe in the light. The one of the flowers is also wide open at 2.8, also neutral and unsharpened and unedited. With even the most light-handed increase of sharpness and contrast, stunningly crisp images, as well as softer ones, are at your disposal, and all at a ridiculously low price. I really like it, and it manages to jostle my other lenses off the camera which, on paper, should have much more versatility and utility.

Another note: The STM focusing is not silent. This is fine with me, but for those of you who might be interested, read on. In AF, there's a soft whine that it gives off, louder than my USM lens but quieter than my kit lens. In manual mode, the focus ring is, as many have pointed out, NOT a mechanically engaged gear, but rather an electronic input. When turning the ring medium to fast, it makes a lower and slightly softer hum. When turning the ring slowly, it makes a rather disturbing groan. However, when you turn it REALLY slowly, the focus moves with an amazingly controlled slow creep, and it's _completely silent_. That could come in handy for some nice cinematic effects.

VS

Most Liked Negative Review

 

Great things can come in small sizes

I got this lens so I could take some more closeup candid photos of family on my 10D. It's been great. The low profile of it makes it more convenient in tight spaces and...Read complete review

I got this lens so I could take some more closeup candid photos of family on my 10D. It's been great. The low profile of it makes it more convenient in tight spaces and for carrying around. With its short macro distance I've also been taking some nice pictures of flowers.

The autofocus is a bit slow in my mind, but it's accurate. The lack of a distance meter is not too big of a problem. Its size made me a little wary about screwing it into my camera without breaking it, but it's a solid fit.

Reviewed by 591 customers

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5.0

Great little lens

By MinAZ

from Phoenix, AZ

About Me Photo Enthusiast

Verified Buyer

Pros

  • Lightweight

Cons

    Best Uses

    • Weddings/Events

    Comments about Canon EF 40mm f/2.8 STM Lens:

    With all the hype over the nifty-fifty, this little gem tends to be overlooked. Although not quite as fast as the 50/1.8, it does have two advantages: it is more compact, and it has a potentially more useful focal length for crop sensors (depending on what you are shooting). And for some, the STM motor might also make a difference (it doesn't for me so I can't speak to it). Granted 10mm doesn't seem like much and probably most already own the 50mm/1.8, so it may not be for everyone. Do not underestimate the 10mm difference on a crop sensor however - it does make a difference for some applications like street photography.

    • Was this a gift?:
    • No

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    5.0

    THE MIGHTY MINI 40.

    By Johnny D

    from Cincinnati, OH

    About Me Semi-pro Photographer

    Verified Buyer

    Pros

    • Consistent Output
    • Lightweight
    • Nice Bokeh

    Cons

      Best Uses

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

      Comments about Canon EF 40mm f/2.8 STM Lens:

      This small, fast lens is an amazing little guy. If my 70-200 isnt on my Canon, THIS lens is. its not intimidating like the 70-200 is, which is great especially when taking pictures of people who aren't so fond of photos of themself. I havnet had issues of it autofocusing, and its super quiet. Its so small, I actually recommend NOT getting the UV filter, it adds 25% more length to the lens! haa. The only thing Im not a huge fan of is the focus ring. Its electronic meaning I cant use a Macro attachment, and expect it to focus.

      It takes up hardly any space in my lens. and its not hard to do a portrait shoot with JUST this little lens.

      • Was this a gift?:
      • No

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      5.0

      Canon 40mm

      By EZ Buyer

      from California

      Comments about Canon EF 40mm f/2.8 STM Lens:

      Great lens. Great service

      Share this review

       
      4.0

      Great indoor lens

      By Carole

      from Connecticut

      About Me Photo Enthusiast

      Verified Buyer

      Pros

      • Durable
      • Easily Interchangeable
      • Strong Construction

      Cons

        Best Uses

          Comments about Canon EF 40mm f/2.8 STM Lens:

          This lens is great for a crop sensor camera, especially for indoor photography so that you don't have to back too far from the subject. It is comparable to the 50mm 1.8, although I find that it is not quite as sharp, and the bokeh not quite as pretty. Because it only lowers to 2.8 it is not as good for low light photography as the 50mm. The lens itself is solid metal rather than plastic parts. Overall great lens for the price.

          • Was this a gift?:
          • No

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          4.0

          good value!

          By MrP

          from Los Angeles, CA

          About Me Photo Enthusiast

          Verified Buyer

          Pros

          • Cost
          • Nice Bokeh
          • Quiet
          • Size

          Cons

            Best Uses

              Comments about Canon EF 40mm f/2.8 STM Lens:

              The STM quiet focus is good for video and the f/2.8 is nice for the depth-of-field. Very compact on the camera. Not as good a value as the 50mm f/1.8 overall, but pretty close and much better for autofocus video.

              • Was this a gift?:
              • No

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              4.0

              Nice little lens

              By Kev in Sunnyvale

              from Sunnyvale, CA

              About Me Casual Photographer

              Verified Buyer

              Pros

              • Consistent Output
              • Durable
              • Nice Bokeh
              • Strong Construction

              Cons

                Best Uses

                • Landscape/Scenery
                • Weddings/Events

                Comments about Canon EF 40mm f/2.8 STM Lens:

                Walk around lens.

                • Was this a gift?:
                • No

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                5.0

                Pancake as they call it

                By Jon

                from Milwaukee

                Comments about Canon EF 40mm f/2.8 STM Lens:

                Pretty good lens sharp and quite great for steady video specially if your slr have auto focus . Small light and cheap cant go wrong

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                4.0

                Walk Around lens

                By Steve K

                from Elmwood Park, NJ

                About Me Pro Photographer

                Verified Buyer

                Pros

                • Durable
                • Lightweight
                • Rugged
                • Strong Construction

                Cons

                  Best Uses

                    Comments about Canon EF 40mm f/2.8 STM Lens:

                    I really enjoy using this lens and will keep it on my camera as much as possible! It's a pleasure using something this small- it actually makes the MKii feel less obtrusive for street shooting.
                    I would have given it 5 stars, but the drawbacks that I've found are 1) the autofocus is kind of slow. 2) I wish it were a little sharper. 3) 1.8 would have been a whole lot better than 2.8.
                    Even with the drawbacks, at this great price, this is a go to lens. I challenge myself by going out with only this lens on a camera strap- no other lenses; freedom!

                    • Was this a gift?:
                    • No

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                    5.0

                    Nice bokeh for the price!

                    By Banan

                    from PA

                    Verified Buyer

                    Comments about Canon EF 40mm f/2.8 STM Lens:

                    Very happy with it.

                    Share this review

                     
                    4.0

                    Not larger than camera lens cap

                    By Baysal Adanus

                    from TR

                    About Me Photo Enthusiast

                    Verified Buyer

                    Pros

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

                    Cons

                    • Electronic manual focus

                    Best Uses

                    • Family Portrait
                    • Landscape/Scenery
                    • Video
                    • Weddings/Events

                    Comments about Canon EF 40mm f/2.8 STM Lens:

                    This is on of the best price/performance lens of Canon. Besides its image quality, the small size and lightweightness is its best features. Autofocus works almost perfect an very silently. The autofocus ring is a little bit tricky when you first use it because it does net work when the camera is off. Moreover there is a tiny delay with your ring movement and operation but this is not a big deal when you get used to.

                    • Was this a gift?:
                    • No

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                    (0 of 1 customers found this review helpful)

                     
                    2.0

                    Not that sharp

                    By Jim

                    from Omaha, NE

                    About Me Pro Photographer

                    Verified Buyer

                    Pros

                    • Lightweight

                    Cons

                    • Blurry Focus

                    Best Uses

                      Comments about Canon EF 40mm f/2.8 STM Lens:

                      Not as sharp as I thought it would be and the STM motor turned out to be as loud as the motor on a Canon 50mm/2.5 macro lens.

                      • Was this a gift?:
                      • No

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                      (1 of 1 customers found this review helpful)

                       
                      4.0

                      Big things can come in small packages!

                      By Brian

                      from Long Island, NY

                      About Me Photo Enthusiast

                      Verified Buyer

                      Pros

                      • Consistent Output
                      • Durable
                      • Easily Interchangeable
                      • Lightweight
                      • Nice Bokeh

                      Cons

                        Best Uses

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

                        Comments about Canon EF 40mm f/2.8 STM Lens:

                        This is one of my favorite and most enjoyable lens I us. I was looking for something with good enough picture quality and versatility that I did not have to be apprehensive about using on an entry level DRSL. They say 50mm is the standard, however the build quality of the 50mm 1.8 (plastic fantastic) was not up to my standards. In addition, having a crop sensor camera, 50mm is not a true 50mm anyway. At $, this 40mm lens does everything I ask of it and more. Nice bokeh, compact, versatile, lets in plenty of light (f2.8) and worry free. I would have given it 5 stars but this is an STM, slightest bit of noise when auto-focusing un-like other STM lens (which are completely silent).

                        • Was this a gift?:
                        • No

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                        5.0

                        Excellent little lens

                        By Tarantula

                        from Gainesville, FL

                        About Me Photo Enthusiast

                        Verified Buyer

                        Pros

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

                        Cons

                          Best Uses

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

                          Comments about Canon EF 40mm f/2.8 STM Lens:

                          Incredible image quality, very inconspicuous, lightweight, and good in low light.

                          • Was this a gift?:
                          • No

                          Share this review

                           
                          4.0

                          Good but not for me

                          By Xopher

                          from New York, NY

                          About Me Photo Enthusiast

                          Verified Buyer

                          Pros

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

                          Cons

                            Best Uses

                            • Landscape/Scenery
                            • Street

                            Comments about Canon EF 40mm f/2.8 STM Lens:

                            For the money, this is one of the best general-use primes you can get. The optics are solid and the size and weight make it an great addition to any kit.

                            The issue for me came from the focus. I'm a manual focus dweeb and, unfortunately, that's where this lens runs into trouble. It's focus ring is actually just an input to a motor. It's not terribly accurate, quick, or easy to use.

                            That said, the auto-focus is fast and reliable. This issue comes from my love of manual focus.

                            I may have traded up for a Voigtlander 40mm, but that doesn't mean you should. Unless you really like zone focusing and things made out of metal.

                            • Was this a gift?:
                            • No

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                            4.0

                            Nice lens for the price

                            By Photos by Magic

                            from Portland, OR

                            About Me Semi-pro Photographer

                            Verified Buyer

                            Pros

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

                            Cons

                            • Weak Casing

                            Best Uses

                            • Indoors/Low Light
                            • Weddings/Events

                            Comments about Canon EF 40mm f/2.8 STM Lens:

                            Light weight; crisp and relatively fast

                            • Was this a gift?:
                            • No

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                            (1 of 3 customers found this review helpful)

                             
                            3.0

                            Disappointed

                            By Anatol

                            from Pearland, TX

                            About Me Photo Enthusiast

                            Verified Buyer

                            Pros

                            • Lightweight
                            • Rugged
                            • Strong Construction

                            Cons

                            • No zoom
                            • Resolution Worse Than Kit

                            Best Uses

                              Comments about Canon EF 40mm f/2.8 STM Lens:

                              That's probably due to my over-expectations. I compared this lens side-by-side with my EOS T3i kit lens (18-55, F/3.5-5.6) and discovered that my new EF 40mm f/2.8 STM gives LESS resolution than the kit lens. I set both lenses to F/5.6, manual exposure, zoom to 40 mm, and made tripod shots of bar codes. No doubt, kit lens was better. Then I checked Canon data (why didn't I do it BEFORE!), and their plots confirmed my conclusion. So, the only advantages of this EF 40 are: a bit higher F stop, and focus override. Minus ZOOM, minus IS, a bit heavier. Alas, I am going to return EF 40 because I see it unnecessary in my set of lenses. On the bright side, now I know that the kit zoom is a truly remarcable lens.

                              • Was this a gift?:
                              • No

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                              (2 of 2 customers found this review helpful)

                               
                              5.0

                              Great value & quality

                              By Al

                              from The Villages, FL:

                              About Me Photo Enthusiast

                              Verified Buyer

                              Pros

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

                              Cons

                                Best Uses

                                • Landscape/Scenery
                                • Night Photography
                                • Sports/Action

                                Comments about Canon EF 40mm f/2.8 STM Lens:

                                Nice lens for its price. Small size. Yet it takes very sharp images. Autofocus is quick and accurate. I like it better than a "nifty fifty with my APS-C T3i.

                                • Was this a gift?:
                                • No

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                                (1 of 1 customers found this review helpful)

                                 
                                4.0

                                Perfect travel lens

                                By Rene

                                from NYC

                                About Me Photo Enthusiast

                                Verified Buyer

                                Pros

                                • Light Small
                                • Lightweight

                                Cons

                                • NONE

                                Best Uses

                                • Landscape/Scenery

                                Comments about Canon EF 40mm f/2.8 STM Lens:

                                I bought this to use on my 5d mkiii when I'm traveling and just generally out and about town - when I still want to still take nice shots, but not look 'professional' and without having to carry a bigger lens around. The 40mm pancake is great for that. Sharp, and in my opinion a perfect length and far more useable than my 50mm. Would love it if it came with a smaller lens cap - the stock one is nearly the length of the lens itself.

                                • Was this a gift?:
                                • No

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                                (1 of 1 customers found this review helpful)

                                 
                                5.0

                                Beautiful and Clean Videos

                                By Vanderburg Creative

                                from Norman, OK

                                About Me Semi-pro Photographer

                                Verified Buyer

                                Pros

                                • Durable
                                • Fast / accurate auto-focus
                                • Lightweight
                                • Nice Bokeh
                                • Strong Construction

                                Cons

                                  Best Uses

                                  • Indoors/Low Light
                                  • Night Photography
                                  • Video
                                  • Weddings/Events

                                  Comments about Canon EF 40mm f/2.8 STM Lens:

                                  I have actually only used this lens for videos so far and have really enjoyed it! I used to have a 50mm, f/1.8, but wanted to change it in for the STM lens and utilize the smooth focus of the Canon 70d. I have been very pleased with the results so far!

                                  • Was this a gift?:
                                  • No

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                                  (3 of 3 customers found this review helpful)

                                   
                                  5.0

                                  Canon 40mm Lens

                                  By Rebecca

                                  from Long Island, NY

                                  About Me Pro Photographer

                                  Verified Reviewer

                                  Pros

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

                                  Cons

                                    Best Uses

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

                                    Comments about Canon EF 40mm f/2.8 STM Lens:

                                    I love this lens! I also own the 50mm and these two lenses are great. I use the 50mm for portraits and the 40mm for everyday shots.

                                    • Was this a gift?:
                                    • No

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