|EF||Autofocus lens designed both for Canon full frame and APS-C SLR 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|
|Maximum format:||35mm full frame|
|Diagonal angle of view:||84°-23.3° (35mm full frame)|
|70.7°-18.4° (Canon APS-H)|
|59.1°-14.8° (Canon APS-C)|
|Lens construction:||17 elements in 13 groups, including:|
|Number of blades:||7|
|Closest focusing distance:||40 cm|
|Type of autofocus motor:||Lead-screw type Stepping Motor|
|Full-Time Manual Focus:||Yes|
|Stabilizer features:||Panning Detection|
|Stabilizer efficiency:||up to 4 stops|
|Maximum diameter x Length:||Ø83.4 x 104 mm|
|Materials:||High-quality plastic barrel|
|Filter size:||77 mm|
Design and Features
The lens barrel is of moderate weight, made of high-quality plastic. The lens mount is metallic.
The lens features a zoom lock lever to keep the zoom ring fixed at the shortest focal length of 24 mm. This function is convenient for carrying a camera with the lens on a strap because it prevents the lens from extending.
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 features AF/MF focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|MF||Manual focus mode.|
Full-Time Manual Focus with lenses equipped with stepping or linear motor is performed in the following way - half-press the shutter button, wait until the camera has finished the autofocusing and then focus manually without releasing the shutter button using the focusing ring.
The lens uses front filters with standard size of 77 mm which are easy to find. However, filters of such size are more expensive and mainly used with professional lenses.
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 1/7 second at focal length of 105 mm*).
*) without the need to increase ISO sensitivity and/or use a tripod, at the same lighting conditions and at the same aperture
The image stabilizer does not have any specialized mode of operation, but is capable of automatic detection of panning and then corrects camera shake only in one direction.
|Camera:||Canon EOS 5D mark III|
|Sensor size:||36×24 mm|
|Distortion at 24 mm:||-4.31 %|
|Distortion at 105 mm:||+1.36 %|
|Vignetting at 24 mm F/3.5:||-2,42 EV|
|Vignetting at 105 mm F/5.6:||-1.04 EV|
|Efficiency of Image Stabilizer:||up to 2.8 stops|
|Camera:||Canon EOS 5D mark II|
|Sensor size:||36×24 mm|
|Distortion at 24 mm:||-3.41 %|
|Distortion at 105 mm:||+1.88 %|
|Vignetting at 24 mm F/3.5:||-1.93 EV|
|Vignetting at 105 mm F/5.6:||-0.7 EV|
|User Manual. English, Adobe PDF, 2 MB|
Alternatives (AF, 21-118 mm)
|Canon EF 24-105mm F/4L IS II USM||2016||⊗|
|Canon EF 24-105mm F/4L IS USM||2005||⊗|
|Sigma 24-105mm F/4 DG OS HSM | A||2013||⊗|