The EF 40mm F2.8 STM offers excellent image quality in a tiny, well-made package. For APS-C users it provides a great carry-everywhere complement to a kit zoom, and for full frame shooters it's an excellent general-purpose 'normal' lens.

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  Very good optics, Tiny size, Silent autofocus, Responsive electronic manual focus, Decent construction, Low price

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  Can be susceptible to flare, No lens hood supplied, AF speed isn't the fastest

The Canon EF 40mm f2.8 STM is the company's first 'pancake' lens, designed to be as small and light as possible. Measuring just 22.8mm thick, it protrudes to roughly the same degree as the grip on many DSLRs, and at 130g you'll hardly notice it when mounted.

Is the Canon EF 40mm f/2.8 STM Lens right for you? Learn all you need to know about the Canon EF 40mm f/2.8 STM Lens in The-Digital-Picture.com's review!

Handling and features The Canon EF 40mm f/2.8 STM is a slim, compact pancake type lens, which is compatible with Canon EF and EF-S camera bodies and costs around £230. A fast f/2.8 aperture should make this lens ideal for taking pictures in reasonably low light conditions and focusing is powered by...

Pancake lenses have come into some popularity in recent years, and Canon has answered with their own version, the . Some may question the point of a fixed lens that is only f/2.8 these days, but there are plenty of reasons to pick up a lens such as this.

As I move more towards making my gear lighter, at this price, why not? This pancake lens is as light as feather, works excellent on my old Canon 50D and when I decide to upgrade to Full Frame (hoping 6D MarkII has a lighter body)I can still use it.

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

I am using this lens with an SL1. This is a great camera and lens combination. I have the 18-55 STM which is also very good, but the size, image quality and small aperture of the 40mm makes it an excellent all around carry lens.

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  Image quality, size, aperture, build quality.

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  None.

This lens just arrived yesterday and I think it will be just perfect for my purposes. I wanted a small lens to put on my 60D that had a large aperture ,a close focusing distance and did a decent job of rendering backgrounds out of focus.

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  Easily Interchangeable, Fast / accurate auto-focus, Lightweight, Nice Bokeh

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  Not Easy To Manual Focus

This is the best Canon pancake lens.Very small, light weight, yet the build quality is excellent, with metal mount and good glass.Image is very sharp, even at F2.8. Focus is very fast, even in live view AF mode.With the STM, you may override focus manually at anytime.

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  Fast auto-focus, Superior build quality, Super-sharp images, very small

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  noisy manual focus

So light weight I didn't think it was on my camera. I shoot sport photography and shot some filler shots of coaches and start players. Tack Sharp, Sot some of Cheerleader Squad Tack Sharp

So light weight I didn't think it was on my camera. I shoot sport photography and shot some filler shots of coaches and start players. Tack Sharp, Sot some of Cheerleader Squad Tack Sharp

This is the first extra lens I've bought for my Canon t6i and it's been a lot of fun! Focussed all the way in you can get about a foot from your subject. Macro shots are nice and clear, with far less aberration than the kit lens at a similar distance.

Between 40mm and 50mm, I like the 50mm better. However if you want lens particularly for portrait, I strongly recommend the 85mm.

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  Sharp images, light weigh, decent price.

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  Slow focus, cheap feels, not good depth of field.

For the money, this lens is great. I use it on a 5D Mk 2 and it works really well for product photography.

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  Small and lightweight Sharp

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  None that I can think of at this price.

I bought this lens as a walk-around lens. It is not as fast as my 50 1.2 but is much much lighter and most important, do not draw attention. It makes my 6D looks very discrete. It is also cheap for what it delivers.

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  Small, light, small and light again..., Superb sharpness even wide open., Don´t draw attention at all....

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  STM focus wont manually work in auto mode. In manual mode still has an delay., You cant operate focus if camera is turned off or if the lens is detached, making impossible to retract the front element., It is quieter than old focus systems but is still audible.