|EF-M||Autofocus lens designed for Canon EOS M digital mirrorless cameras.|
|IS||The lens is equipped with optical image stabilizer. The stabilizer allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without stabilizer you will have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images.|
|STM||The lens is equipped with stepping motor to provide smooth, fast and virtually silent autofocus. Learn more|
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|Diagonal angle of view:||74.1°-10.4° (Canon APS-C)
|Lens construction:||17 elements in 13 groups, including:|
|Number of blades:||7|
|Closest focusing distance:||@ 18-50mm: 25 cm|
|@ 150mm: 45 cm|
|Magnification ratio:||1:3 @ 150 mm at the closest focusing distance|
|Type of autofocus motor:||Stepping (Canon EF-M)|
|Full-Time Manual Focus:||Determined by camera|
|Stabilizer features:||Determined by camera|
|Stabilizer efficiency:||up to 4 stops|
|Maximum diameter x Length:||Ø60.9 x 86.5 mm|
|Filter size:||55 mm|
Design and Features
The lens barrel is of moderate weight, made of plastic. The lens mount is plastic.
The focusing ring is not physically coupled with the focusing mechanism and works electronically (focus-by-wire) - turning of the ring actuates an electric motor that moves the focusing group of the lens to the proper position to achieve sharp focus.
The lens lacks focusing mode switch, therefore you have to set the automatic or manual focus mode from the camera.
The lens uses front filters with standard size of 55 mm which are easy to find. They are also inexpensive.
The filter thread does not rotate during focusing which allows convenient use of different types of filters (including but not limited to polarizing and gradient).
The lens features optical image stabilizer, which, according to the manufacturer, compensates up to 4 stops of shutter speed. Theoretically it allows to capture sharp images of static subjects at shutter speeds down to 1/9 second at focal length of 150 mm(*).
* without the need to increase ISO sensitivity and/or use a tripod, at the same lighting conditions and at the same aperture
The optical image stabilizer works in combination with EOS M5's 5-axis digital image stabilization for maximum image stabilization when shooting video. Smooth panning effect is also supported with EOS M5.