For sharp edges as well as a sharp center, f/2.8 to f/8 give the best results. The apertures that are affected by diffraction are f/11 and f/16.
#Canon ef m 22mm f2 stm compact system lens manual
It’s also almost silent in focusing, thanks to the STM (stepping motor) system, which makes it very useful for shooting video.įans of manual focusing may be less impressed, because of the narrow focusing ring and the lack of hard stops at either end of the range, which makes it more difficult to set your focus to infinity.įor sharpness, the 22mm f/2 has good center sharpness from f/2.8 to f/11. There isn’t too much hunting for focus in bad light either, with accurate and smooth focusing most of the time. The Canon EF-M 22mm f/2 in UseĪs far as the AF system is concerned, the Canon EF-M f/2 lens is fairly quick to respond. That’s pretty impressive for a little lens like this, and you can get some good close-up shots. While the Canon EF-M 22mm f/2 STM isn’t built for macro work, it does offer a closest focus distance of only 15cm, with a magnification ratio of 0.21X. It has a maximum aperture of f/2, and a minimum aperture of f/22, which makes it fairly versatile. The optics consist of seven elements in six groups, including one aspheric element. If you only use autofocus then that won’t be an issue, but it does make manual focusing harder than it has to be. The focusing ring is quite wide, but one niggle is that it only has a very narrow ridged grip. It also takes 43mm circular lens filters. It doesn’t come with the EW-43 lens hood, so you will have to buy that separately if you want one. It’s made mainly of metal, with a metal lens mount which gives it a solid feel even though it’s so small. It was brought out in 2012, and is still a mainstay prime lens in Canon’s mirrorless system.
The EF-M 22 lens is tiny compared to others, measuring a mere 61mm in diameter and 24mm in length. It’s not hugely expensive, either, yet the build quality is good. The Canon EF-M 22mm f/2 STM lens is a lightweight 105g, which makes it one of the lightest standard lenses in the Canon range.
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