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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: 40mm, 1:2.8
- Focus Adjustment: Inner focusing system with USM; full-time manual focus available.
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|Aperture Control Design||Aperture controlled by camera|
|Compatible Mountings||Canon EF|
|Focus Type||Stepper motor|
|Item Dimensions||2.68 x 2.68 x 0.87 inches|
|Item Display Weight||260 grams|
|Item Weight||0.29 pounds|
|Macro Focus Range||0.30 m|
|Manufacturer Warranty Description||1 year limited|
|Maximum Aperture Range||F2.8|
|Maximum Focal Length||40 mm|
|Maximum Format Size||35mm full frame|
|Minimum Focal Length||40 mm|
|Number of Diaphragm Blades||7|
|Number of Elements||6|
|Number of Groups||4|
|Photo Filter Thread Size||52 mm|
|Real Angle Of View||49 Degrees|
|Shipping Weight||0.65 pounds|
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This item Canon EF 40mm f/2.8 STM Lens - Fixed
|Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping||FREE Shipping|
|Sold By||Amazon.com||Amazon.com||Amazon.com||This Good Rate||Adorama Camera||Amazon.com|
|Compatible Camera Mount||Canon EF||Canon EF-S||Canon EF||—||Canon EF||Canon EF|
|Focus Type||Stepper motor||Stepper motor||Stepper motor||Auto/Manual||Micromotor||Ring-type ultrasonic|
|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 1.61 x 2.68 in||3.07 x 2.48 x 3.07 in|
|Item Weight||4.59 ounces||—||5.61 ounces||4.23 ounces||4.59 ounces||0.16 ounces|
|Lens Type||medium-format||Prime lens||Prime lens||Fixed||Prime lens||wide-angle|
|Maximum Focal Length||40 millimeters||24 millimeters||50 millimeters||50 millimeters||50 millimeters||35 millimeters|
|Minimum Focal Length||40 millimeters||24 millimeters||50 millimeters||1.8 millimeters||50||35 millimeters|
|Photo Filter Thread Size||52 millimeters||52 millimeters||49 millimeters||52 millimeters||52 millimeters||67 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
Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras
Top customer reviews
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.
First off I travel a lot and more times then less I am on safaris or expeditions that require me to pack light. The reason I sot this out was I needed a prime that was faster than my Sigma zoom and wide angle but also compact and light. This defiantly wins the 50s in size and the weight is very manageable, this thing is built as well as my L lens.
I just returned from the Amazon in Brazil and this was a favorite along with the telephoto. The optics are very sharp, possibly as sharp as my L that cost over $1k more than this 2.8. I did not get a the faster 50mm lenses because unlike this you have to drop your F stop anyway to obtain a sharp image, this guy is sharp out the gate at 2.8. It's profile is tiny, my 60d feels naked with it on. Purchased a variable ND for this and it's a perfect Carry around lens for photo and video. The stepping motor is so smooth, amazing on my friends 70d body. Follow focus is amazing with that pair.
My only gripe is also the thing I love about the lens, the focus by wire. If you forget the retract the focus barrel before powering off the camera then the lens is stuck in this position until you power the camera back on to retract it. So many great reviews on the web just thought I would give my 2cents. Good luck!
I had owned a Canon EF-S 60mm f/2.8 Macro lens; but I find the 40mm delivers better quality images than the higher-priced 60mm (~96mm on a cropped sensor) flat-field lens. This 40mm lens is an exceptional optic from Canon; and it has steel rather than plastic camera-mount.