Canon EF-M 22mm f/2.0 STM Lens
A few photos taken with the Canon EF-M 22mm f/2.0 STM pancake lens.
Canon EF-M 22mm f/2 | EOS M6 | ISO:100 | Aperture: f/3.5 | Shutter Speed: 1/80s
Canon EF-M 22mm f/2 | EOS M6 | ISO:200 | Aperture: f/2.5 | Shutter Speed: 1/250s
Clicking on the thumbnail images will open a larger image in a pop-up window
Shutter speed: 1/250
Focal length: 22mm
EC +/-: 0
Location: Nakhon Sri Thammarat, Thailand
File Size: 181 KB
Shutter speed: 1/30
Focal length: 22mm
EC +/-: 0
File Size: 132 KB
Shutter speed: 1/500
Focal length: 22mm
EC +/-: 0
File Size: 110 KB
Shutter speed: 1/80
Focal length: 22mm
EC +/-: 0
Location: Hat Yai, Thailand
File Size: 197 KB
The inclusion of an EF-M adapter to enable the use of EF and Canon EF-S Lenses makes the EOS M system very flexible. However, using big lenses doesn't do much for convenience and portability.
This little pancake lens is perfect for when I want the minimum configuration to make the camera as light and portable as possible. Roughly the equivalent of a 35mm focal length lens on a full frame camera, it's a useful focal length if you just wish to carry one prime lens.
This is what you get if you buy a Fuji X100, except that with the Fuji the lens is fixed and the only option you have to change the focal length is to clip on a wide conversion lens.
Personally, I don't want to be restricted to just having this focal length. I appreciate the fact that when I want to take a small camera with me I can just use the 22mm, however, I want to be able to use other lenses.
This lens is perfect for lightweight travel. Not only is it very small and light, but it's also fast meaning that you can probably get away with leaving your flash at home as well as all your big lenses.
The lens uses new stepper motor (STM) technology for its autofocus mechanism. This is all part of Canon's drive to implement silent continuous autofocus tracking in movie mode. To do this requires an appropriate body with a hybrid CMOS sensor and contrast detection AF technology, and a lens with an STM designation.
Autofocus is maybe not as fast as some other lenses, but in most situations it works well without any problems. For videographers the continuous autofocus in movie mode is a very welcome feature.
It also appears to work perfectly well when the camera is in AI Servo mode tracking an object coming towards the camera. I tested this on passing motorbikes and the results were quite satisfactory.
There is no direct physical connection between the manual focusing ring and the internal focusing mechanism as there is on other lenses. If you turn the ring with the camera off nothing happens. Turning the ring sends a signal to the stepper motor which then focuses the lens electronically.
With the EF-M 22mm f/2.0, the inner barrel moves in and out slightly while focusing. It only moves a small amount and there is no rotation.
Unlike my Canon EF and EF-S lenses, manual focusing isn't as easy with the EOS M system as simply turning the lens focus ring, or manually switching the lens into MF mode first and then turning the lens focus ring.
There is no AF/MF switch on the EF-M lenses and, because of the stepper motor technology and a lack of any physical connection between the focus ring and the focusing mechanism, nothing happens most of the time when you turn the focus ring.
To enable manual fousing, first you must go into the menu system and find 'Focus mode' (the camera icon with two dots). This mode has three options:
- AF (Auto Focus). When in this mode the focus ring is completely inoperational.
- MF (Manual Focus). In this mode the Auto Focus is completely inoperational and turning the focus ring controls the focusing mechanism whenever the camera is switched on.
- AF+MF. This allows the Autofocus to operate and also allows the user to focus manually after the autofocus has activated. However, you can only focus manually while pressing the shutter release halfway down after the Autofocus has activated.
When the camera is put into MF mode a small magnifying glass icon appears on the rear LCD in the bottom right-hand corner. Tapping on the icon cycles through 1x, 5x and 10x magnification with an accordingly larger image shown on the display. This is very similar to the Liveview feature on Canon SLRs.
In cases where the Autofocus mechanism won't do what you want it to do, such as with close macro work, this is very useful. Saying this, I have never used MF on my EOS M, which stays permanently in AF mode. The only time I use manual focusing is for macro work and the EOS M body isn't my first choice for macro.
I've included some photos in the sample images above taken with the aperture wide open. The bokeh isn't going to be the same as an EF 85mm f/1.2L lens, but it's fairly smooth and pleasing to the eye.
No Image Stabilisation
Just like the EF 40mm STM pancake, the design brief for this lens must have been to keep it as small as possible in order to achieve the desired 'pancake' form. Including IS wouldn't have made this possible.
The lens has a fast f/2.0 maximum aperture and the EOS M high ISO performance looks pretty good with little noise. Even in fairly dark conditions the lens is still very usable without IS.
Extenders and extension tubes
Currently, there are no extenders or extension tubes available for Canon EF-M Lenses. I don't know if Canon has any plans to make these items available in the future.
This lens comes with the new style Canon lens caps that can be released by pinching the centre of the cap. A lens hood and soft pouch are available but not included.
I find the focal length of this lens on a 1.6x crop camera far better for general photography than the EF 40mm f/2.8 STM pancake, which is too long with the extra 1.6x magnification.
On my first street photography outing with the EF-M 22mm I was encouraged by how little attention I attracted and the focal length was fine for about 70% of photos I took. However, I don't find it convenient zooming with my feet.
First I try to imagine the composition and then I often squat down for the shot. If the composition isn't quite what I imagined I want to be able to change it by turning a zoom ring, not by having to relocate myself.
Also, for the type of street photography I like the lens wasn't wide enough. I really like using the EF-S 10-22mm for street photography, but it is a bulky lens for the EOS M. I will buy the EF-M 11-22mm when it is available in my region. It seems as if it will be perfect for street photography.
As I write, the ultrawide EF-M 11-22mm lens still isn't available and currently there are just two Canon EF-M Lenses - the 22mm and 18-55mm. I would suggest getting both and also the adapter if you have EF or Canon EF-S Lenses.
If you are only buying one lens I would suggest the 18-55mm, but I know that some people would suggest the 22mm. It depends on the kind of shooting that you do and your personal preferences. The 18-55mm can also shoot at 22mm, but it's a larger, slower lens. I enjoy having both and the 22mm is great when I want to take out the lightest, smallest configuration possible. However, if I had to choose just one lens it would be the 18-55mm because of its greater versatility and image stabilisation.
Original images were shot in JPG format using the EOS M's built in lens aberration correction. Noise was reduced using Imagenomic Noiseware Professional. Small amounts of image enhancement were applied using Adobe Photoshop CS2 (curves, levels, saturation) before sharpening using the Smart Sharpen filter (Amount: 30% - 120%, Radius: 0.2px - 0.3px, Remove: Lens Blur).
The large JPG images that open if you click on a thumbnail were saved with a 'High' quality setting of '8' on a scale of 0-12.
Filter Diameter: 43mm
Closest Focusing Distance: 0.15m
Date Purchased: June 2013
Supplier: Chia Color Lab, Hat Yai, Thailand
Price: Part of a kit
Lens Cap: E-43
Lens Hood: EW-43 (not included)
Soft Case: LP811 (not included)
Canon EF Lenses
Canon EF-S Lenses
Canon EF-M Lenses
Canon FD Lenses
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