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CanonEF 40mm f/2.8 STM Lens
 
4.6

(based on 624 reviews)

Ratings Distribution

  • 5 Stars

     

    (406)

  • 4 Stars

     

    (192)

  • 3 Stars

     

    (22)

  • 2 Stars

     

    (3)

  • 1 Stars

     

    (1)

97%

of respondents would recommend this to a friend.

Pros

  • Lightweight (415)
  • Fast / accurate auto-focus (245)
  • Consistent output (213)
  • Easily interchangeable (211)
  • Nice bokeh (201)

Cons

  • Slow focus (48)
  • Poor in low light (32)
  • Weak casing (15)
  • Tough to attach (10)
  • Blurry focus (3)

Best Uses

  • Landscape/scenery (220)
  • Low light (219)
  • Video (140)
  • Weddings (113)
  • Night photography (101)
    • Reviewer Profile:
    • Photo enthusiast (190), Semi-pro photographer (107), Pro photographer (64), Casual photographer (47), Photography student (22)
    • Was this a gift?:
    • No (400), 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 624 customers

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5.0

Just what the photographer ordered!

By Cosmo

from NYC

About Me Semi-pro Photographer

Verified Buyer

Pros

  • Consistent Output
  • Lightweight
  • Nice Bokeh

Cons

  • Poor in Low Light

Best Uses

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

    Canon is clearly paying attention to the improving camera phones, and those who are tired of lugging around their heavier DSLR combos.This is a great little lens to put on my 5DII when I'm heading out with friends, or even just roaming to work. It's able to produce images - that with a bit of work in post - are fantastic.Yes, it's a bit slow in low light, and there are definitely faster focusing lenses. But for the prince, and the incredibly light weight, this is a handy little tool.Just keep in mind, that you're not paying for top notch glass, so don't compare it to L series quality.Very pleased.Thanks!

    • Was this a gift?:
    • No

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    5.0

    Canon 40mm f2.8 stm lens /pancake

    By KTharp

    from San Jose, CA

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

    Excellent lens for street photography on a full frame camera. Fast focus, decent bokah ability, small size does not intimidate anyone, your not noticed when using a hand strap and just walking the streets. Recommend uv filter for some lens protection, however hood is not needed. Hood adds nothing except cost and difficulty in handeling I tried it in store & left it there. Colors excellent, corner fall off easily corrected in lens as is aberration or in Photoshop. Tried on 1.6 crop it's to long for street photography my opinion, if using a crop body pick up the 24mm f/2.8 = 38mm and that's perfect. Very low cost and a blast to have on the camera & walk the city streets or at a party etc, easily group selfie hand held - highly recommend for the money / excellent value.

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    5.0

    Great lense

    By Pita

    from USA

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

    Works fantastic!

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    5.0

    Lightweight and Sharp

    By bruce

    from San Francisco, CA

    About Me Photo Enthusiast

    Verified Buyer

    Pros

    • Durable
    • Easily Interchangeable
    • Lightweight
    • Rugged
    • Strong Construction

    Cons

      Best Uses

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

        It's the perfect single-length lightweight for this particular trip - I've been able to do macro stuff and scenics, smiles and miles. I can't say it's a 5-star lens all around - but it's performing admirably for it's intended purpose. I use it on a 50d on vacation, and it's miles easier to carry than a heavy zoom. Sure, I lose some functionality, but I just decided that the 40mm was about right for my "usual" style of vacation shooting. The auto-focus hasn't been great at picking out something small (like a spider at 14 inches) amongst the background (greenage), but otherwise flawless. I may just need to adjust my focus points or get used to it or something...

        • Was this a gift?:
        • No

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        4.0

        Good Value

        By PackMan

        from Olive Branch, MS

        About Me Semi-pro Photographer

        Verified Buyer

        Pros

        • Lightweight
        • Nice Bokeh
        • Strong Construction

        Cons

        • Slow Focus

        Best Uses

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

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

        I use this on my 6D. It is a nice walkaround/street lens.
        At F/2.8 it is pretty fast. Super small and lightweight.
        Feels solid

        • Was this a gift?:
        • No

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        5.0

        This lens is great!

        By Gina

        from Thornton, Co

        About Me Semi-pro Photographer

        Verified Buyer

        Pros

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

        Cons

          Best Uses

          • group shots
          • Indoors/Low Light

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

          I get super sharp images with this lens. This is one of my "go-to" lenses

          • Was this a gift?:
          • No

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          5.0

          Very good performance with little weight

          By Hongtao

          from Kirkland, WA

          About Me Photo Enthusiast

          Verified Buyer

          Pros

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

          Cons

            Best Uses

            • Landscape/Scenery
            • Video

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

            The STM motor is really silent and focuses fast. The weight is neglectible and the size is minimal.

            • Was this a gift?:
            • No

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            5.0

            great lens, super good value

            By drjaweed

            from oakland, ca

            About Me Photo Enthusiast

            Verified Buyer

            Pros

            • Consistent Output
            • Durable
            • Easily Interchangeable
            • Lightweight
            • Strong Construction

            Cons

            • Slow Focus

            Best Uses

            • Landscape/Scenery
            • Macro Photography
            • Night Photography

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

            taking pics of my kids, the 2.8 is perfect, focusing is not great but manual does the trick, regardless for less than $ this is an awesome lens. decreases weight of camera by more than half.

            • Was this a gift?:
            • No

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            4.0

            Great in Low Light

            By Terry S.

            from Evansville, Indiana

            About Me Semi-pro Photographer

            Verified Buyer

            Pros

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

            Cons

            • Plastic

            Best Uses

            • Indoors/Low Light
            • Video

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

            Very fast autofocus and great in low light. I use this lens with my Canon 100D/SL1 DSLR. It's supposed to be silent, but I still hear a high-pitched whine when the motor engages.

            All-in-all, I like the lens and look forward to some great low light footage. Sound isn't an issue because I use external mics anyway.

            • Was this a gift?:
            • No

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            (1 of 1 customers found this review helpful)

             
            5.0

            Lightweight and sharp

            By Pete B

            from Michigan

            About Me Photo Enthusiast

            Verified Reviewer

            Pros

            • Fast / accurate auto-focus
            • Lightweight

            Cons

              Best Uses

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

                Take off the battery grip, leave the big flash at home, and you've got a great portable and inconspicuous photo rig. I've used it on my T2i and my 70D. Not as versatile as a zoom as it makes you work for your shot a bit more, but I love this little lens. And for $? Easy decision.

                • Was this a gift?:
                • No

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                5.0

                Great lens

                By masteregon3

                from New York, NY

                About Me Photo Enthusiast

                Verified Buyer

                Pros

                • Durable
                • Easily Interchangeable
                • Lightweight
                • Nice Bokeh
                • Strong Construction

                Cons

                • Slow Focus

                Best Uses

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

                  Really clear -- shoot at 2.8 and get a nice bokeh background. I got this as an alternative to a 50mm 1.4 (I lack money, hah) and I am very happy with my purchase!

                  • Was this a gift?:
                  • No

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                  5.0

                  Sharp Images for a Soft Price

                  By anthonypoff

                  from Washington, DC

                  About Me Semi-pro Photographer

                  Verified Buyer

                  Pros

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

                  Cons

                    Best Uses

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

                      Great value lens for making subjects pop from the background.

                      Very sharp images for a small price point.

                      • Was this a gift?:
                      • No

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                      5.0

                      wonderful

                      By parker

                      from Virginia

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

                      Excellent lens.GREAT PURCHASE.

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                      (1 of 3 customers found this review helpful)

                       
                      3.0

                      nice and small

                      By jeff

                      from dc

                      About Me Pro Photographer

                      Verified Reviewer

                      Pros

                      • Compact Size
                      • Lightweight
                      • Popular Filter Size

                      Cons

                      • No IS
                      • No lens hood
                      • Thin focus ring
                      • Tough To Manually Focus

                      Best Uses

                      • Landscape/Scenery

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

                      Because of it's size I think this is going to be a good lens to take hiking and creating panos. Don't much care for the focus ring and find this lens to work easiest on a tripod when you have time to focus, not sure I would say this is good for catching fast moments. I realize the costs is low, but I still don't like Canon's trend of skimping on the lens hood and a lens bag. It use to be buy a new lens and you were guaranteed a lens hood and lens bag - buying these extras just brings the cost right back up to normal overpriced Canon levels

                      Yes I would recommend this lens if size and weight were your main concern otherwise go for an IS lens with a nice focusing ring

                      • Was this a gift?:
                      • No

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                      5.0

                      Small, sharp, fast. Great value

                      By Luis

                      from Gadsden, AL

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

                      Small and light. Very sharp and fast. Great bokeh. My default lens, now.

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                      (0 of 1 customers found this review helpful)

                       
                      3.0

                      Plusses and Minuses

                      By Calaverasgrande

                      from Oakland

                      About Me Photo Enthusiast

                      Pros

                      • Lightweight
                      • Nice Bokeh

                      Cons

                      • Blurry Focus
                      • Lens Creep
                      • Poor in Low Light

                      Best Uses

                      • Street photography

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

                      Bought this lense for street photography with my T2i. Together they make a nice small pair.The stm AF motor is not silent, but I really am not disturbed by AF noise. I prefer that it does make some audible sound to confirm that its doing its job.The viewing angle is kind of interesting. Not as tight as a 50 or as natural as a 35. I often find myself backing up to frame shots.As others have stated, even with iris dilated fully, it is tricky to get the background blurred to be unrecognizeable, such as is easy to do with the 35mm f2 (non USM).It is possible, but you pretty much must be at macro distance to subject. When you do get the background to goop up it is pretty nice. I can get some neat effects, and streetlights and such are not hexagonal for those of you who care. It does seem to easily lose communication with the camera when in mf. I dont know if I turn the focus ring too hard or if I bump the front of the lens as others mention? In case you dont know the MF is just human operated control of the STM gearing.Switching to af then back to mf cures it.I also noticed that it is a bit flatter in contrast than my 35mm or my Rokinon 14mm. But that can be addressed in DPP as can the slight greenish cast. Overall it is okay, with some comprimises.In conclusion I dont like that I get less keepers than with some other lenses. But I am happy with the small form factor and the angle of view. Will be picking up the 24mm when it is available, and hope Canon does a wider lens in the teens.

                      • Was this a gift?:
                      • No

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                      (5 of 6 customers found this review helpful)

                       
                      5.0

                      Great price, great lens, great images

                      By dvclipper314

                      from Louisville, KY

                      About Me Semi-pro Photographer

                      Verified Reviewer

                      Pros

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

                      Cons

                        Best Uses

                        • Landscape/Scenery
                        • Macro Photography

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

                        When thinking about cameras to take on an upcoming vacation, I was seriously considering buying a Micro 4/3rds Mirrorless camera because I was tired of lugging around my 7D with my 24-70 USM L lens. Faced with the prospect of spending $-$ for a decent camera, I found this sweet little lens that essentially halved the wight and bulk of my 7D setup. Now I'm much more comfortable throwing this kit into my backpack and hiking all day. The croopped 60mm focal length fit perfectly into the sweet spot of the 24-70. (Would love to see something wide in a pancake lens from Canon though at some point). The fast focusing STM motor and sharp imagery of this lens makes it a joy to use. f 2.8 is fast enough for most subject matter and light conditions. The shallow DOF allows for nice creamy bokeh but is also flexible enough to take decent landscapes. I would highly recommend this lens (especially for the $$)

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                        • No

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                        (1 of 1 customers found this review helpful)

                         
                        4.0

                        Fun Lens

                        By shasta

                        from N.CA

                        About Me Semi-pro Photographer

                        Verified Buyer

                        Pros

                        • Consistent Output
                        • Easily Interchangeable
                        • Lightweight

                        Cons

                          Best Uses

                          • Indoors/Low Light
                          • Landscape/Scenery

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

                          When you mount the lens it's so small it doesn't look like you have a lens on. I used it for some street photography, it's sharper stopped down, a fun lens to have in the bag.

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                          (1 of 1 customers found this review helpful)

                           
                          4.0

                          Awesome little lens

                          By Ale

                          from Mexico City, Mex

                          About Me Photography Student

                          Verified Buyer

                          Pros

                          • Easily Interchangeable
                          • Lightweight

                          Cons

                          • Slow Focus

                          Best Uses

                          • Macro Photography

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

                          It captures light amazingly, I am so glad I tried it!! Makes your camera super light since it is a small lens, and is great for social photography.

                          • Was this a gift?:
                          • No

                          Share this review

                          (0 of 1 customers found this review helpful)

                           
                          4.0

                          Handy little lens

                          By Keith

                          from Albuquerque

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

                          Super compact lens. Sharp, quick enough focusing. Certainly not the fastest focusing lens I own, but more than good enough. Great on a full size DSLR, and great on the EOS-M with the adaptor. Nice to have a fast small lens for many common shooting situations.

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