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Canon EF 40mm f/2.8 STM Lens - Fixed
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- 40mm focal length, Lens not zoom able, 64mm equivalent focal length on Canon APS-C cameras
- Minimum focus distance : 0.30m/11.81 inch, F2.8 maximum aperture; F22 minimum
- Stepper-type AF motor with full-time manual focusing
- 52mm filters, Lens Construction: 15 elements in 12 groups.
- Focal Length & Maximum Aperture: 100mm 1:2.8
- Focus Adjustment: Inner focusing system with USM; full-time manual focus available.
- Lens Construction: 15 elements in 12 groups.
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|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||Amazon.com||Duoda Digital||Amazon.com||Adorama Camera|
|Compatible Camera Mount||Canon EF||Canon EF-S||Canon EF||—||Canon EF||Canon EF|
|Focus Type||Stepper motor||Stepper motor||Stepper motor||Auto/Manual||Ring-type ultrasonic||Micromotor|
|Item Dimensions||2.68 x 0.87 x 2.68 in||2.68 x 0.91 x 2.68 in||2.72 x 1.54 x 2.72 in||3.15 x 3.27 x 3.27 in||2.68 x 2.2 x 2.68 in||2.68 x 1.61 x 2.68 in|
|Item Weight||4.59 ounces||4.41 ounces||5.6 ounces||4.23 ounces||0.62 lb||4.59 ounces|
|Lens Type||medium-format||Prime lens||Prime lens||Fixed||wide-angle||Prime lens|
|Maximum Focal Length||40 millimeters||24 millimeters||50 millimeters||50 millimeters||24 millimeters||50 millimeters|
|Minimum Focal Length||40 millimeters||24 millimeters||50 millimeters||1.8 millimeters||24 millimeters||50|
|Photo Filter Thread Size||52 millimeters||52 millimeters||49 millimeters||52 millimeters||58 millimeters||52 millimeters|
A unique and indispensable addition to Canon’s series of EF lenses, the new EF 40mm f/2.8 STM offers an ultra-slim and lightweight design. Incredibly compact in size, the EF 40mm f/2.8 STM delivers high image quality from the center to the periphery thanks to its advanced lens configuration including an aspherical element, a bright 2.8 aperture, and optimized coatings that minimize ghosting and flare while providing exceptional color balance. The EF 40mm f/2.8 STM’s unobtrusive design helps the photographer avoid overwhelming their subjects with a large lens and to remain discreet in sensitive shooting situations with no compromise in performance. Its diminutive design is complemented by features such as a newly developed stepping motor for smooth and quiet continuous AF while capturing video with the Canon EOS Rebel T4i DSLR, a circular aperture (7 blades) for beautiful soft-focus backgrounds, and a short minimum focusing distance of only 0.98 ft./0.30 m.1-Year Warranty
Top customer reviews
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I had the pleasure of owning the Pentax and Contax Zeiss lenses in the days of film. I loved them both, and they were never far from reach. When I bought Canon dSLRs, due to lack of any Canon pancake lens being available, I adapted both the Contax Zeiss and the Pentax pancakes to work on my 5D, 5D2 and 40D. Of course, this arrangement has serious limitations, as both the autofocus and the aperture have to be set manually, making for a slow, awkward shooting experience. At very long last, Canon has brought its own pancake lens to market, in the form of the EF 40/2.8 STM.
It is strikingly small and light, and if you've never seen or experienced a pancake lens before, you're likely to wonder how a lens can be so small and even work on full framed dSLRs. Despite its size, there is pleasing build quality to be found. Built nothing like the EF 50/1.8 II, there is a metal lens mount and a solid lens barrel, short as it is. Canon was barely able to fit the AF/MF switch on the barrel, the barrel is so short. I would compare build quality to the EF 50/1.4. Aesthetically, the 40 has a sex appeal all of its own. There's always been something about those pancakes and they way they look and feel. Canon certainly does not disappoint here.
Optically, I have found the 40/2.8 to perform in excellent fashion. CA is well-controlled, I have not experienced problems with flare, and I do not have a hood attached. Center sharpness at f/2.8 is excellent, and I have uploaded a photo here to help demonstrate. Corners look very good as well. Color rendition is excellent, and bokeh is much to my liking.
Mechanically, the AF is fast, quiet and accurate, and the new STM focus stepping motor technology is employed here. I don't shoot video, so I couldn't care less about the lens being quiet for filming of video, but that may we a huge deal for those of you that do use the video features of your dSLR.
While Canon points out that this lens makes it possible to shoot more discretely, I suppose that's true to a point. But it's rather difficult to achieve shooting discretion when the lens is mounted to the larger non-Rebel Canon bodies, being the big black blobs that they are. However, the pancake design does make your shooting experience very pleasant in that there is not a long lens sticking outing of it. Combined with the weight reduction, the shooting experience with this lens mounted to your camera is bliss. I will be using it a lot as a walkaround, and for vacations.
A possible issue with this lens concerns its use with a cropped sensor camera body. The crop on the 1.6x bodies results in a 64mm effective focal length. I'm not sure how useful a 64/2.8 lens would be for most shooters. For me, that's not very useful. You may disagree. I'll vouch for the usefulness of this lens on a full frame body.
I highly recommend this lens, and at this price point, it's a no-brainer to click the Buy button.
Great lens on a Full Frame. Makes my 5DmkII into a great "walk around" kit that doesn't get many looks and is probably mistaken for a point & shoot by some people. Adds virtually no weight to the camera and focuses quickly and quietly. Not great for manual focusing, but that is fairly self-evident by the size of the ring.
I've used it on my crop sensor cameras like the 60D. It works great there, but is more like a 64mm focal length equivalent. The 40mm on a FF sensor is similar to what we see with our own eyes and just works better imho.
This is the only lens for some reason I get compliments on.
Build quality is fair. Most of the components are plastic though the mount is metal (though without a rubber weather seal). Image quality is great, especially for the price! Any vignetting seen wide open is easily corrected in DxO and probably in other post-processing software. The newer "stepper" motor is quiet but not silent. AF is quick and accurate.
Small, lightweight, sharp corner to corner, no discernible distortion.
Comes with the old side pinch cap instead of the vastly superior new center pinch model. That may change with newer stock. Plastic filter threads (c'mon Canon!).
Maybe I'm being too picky here but the manual focus ring does not move the lens in any way. It connects to the internal processor of the lens which activates the motor. It doesn't work if the camera is not "awake" and there is no "feel" to it. The manual focus ring is also necessarily narrow but this is hardly a criticism, rather a function of the design of the lens.
I'd give this lens a 4.8 or 4.9 if I could, and only because of the manual focus issue.
For a lightweight "carry all day" normal lens on a full frame camera it's well worth the money and an excellent value. On a 1.6 crop sensor (APS-C) camera, it has the same angle of view as a 64mm lens would have on a full frame or film camera. I wouldn't find that useful as a prime lens. You might feel differently of course.
For people who make extensive use of manual focus, this is probably not the best choice either, at least not in my opinion. It can allegedly be used with Canon's extension tubes (I haven't tried), but I would guess that the manual focus system could be an even bigger issue.
Please note, and in the interest of full disclosure, I only shoot stills and have not tested this lens with video.
Most recent customer reviews
- Its biggest competitor is 50mm f/1.8. Don't be boring and wrong. Get this instead.Read more
a little tough with video since it's a fixed lens but works well in low light