|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.|
|DO||The lens incorporates one or several DO elements which cancel chromatic aberrations at various wavelengths. This technology results in smaller and lighter lenses in comparison with traditional designs with no compromise in image quality.|
|USM||The lens is equipped with ultrasonic motor to provide very fast and virtually silent autofocus. Learn more|
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|Maximum format:||35mm full frame|
|Diagonal angle of view:||6.2° (35mm full frame)
4.9° (Canon APS-H)
3.9° (Canon APS-C)
|Lens construction:||17 elements in 13 groups, including 1 DO, 1 FL|
|Closest focusing distance:||350 cm|
|Number of diaphragm blades:||8|
|Type of autofocus motor:||Ultrasonic (Canon EF)
|Full-Time Manual Focus:||Yes|
|Stabilizer features:||Mode 1
|Stabilizer efficiency:||up to 2 stops|
|Maximum diameter x Length:||Ø128 x 233 mm|
|Materials:||Metallic barrel, metallic mount|
|Weather sealing:||Dust-proof and water-resistant housing|
|Filter size:||52 mm (rear)|
Design and Features
The lens barrel is large, heavy, dust-proof and water-resistant, made of metal. The lens mount is metallic.
The lens features AF/MF focus mode switch.
|AF||Autofocus mode with Full-Time Manual Focus.|
|MF||Manual focus mode.|
During autofocus operation, you can press the AF Stop button of the lens to temporarily pause autofocus. This lets you stop autofocus whenever any unwanted obstacle comes closer to the camera than the moving subject you are tracking. If the shutter button is still pressed halfway when the AF Stop button is released, autofocusing will continue as before. The AF Stop function also works in continuous autofocus mode. You can change the functions of the AF Stop button using the camera's custom functions menu.
The lens features focusing distance range limiter which allows to choose between the following focusing distance ranges:
|3.5 m - ∞||Full range of focusing distances.|
|8 m - ∞||Range of focusing distances suitable for shooting distant subjects.|
By setting the suitable focusing distance range, the actual autofocusing time can be shorter.
The lens is equipped with ultrasonic motor, the autofocus is virtually silent and very fast.
The lens features optical image stabilizer, which, according to the manufacturer, compensates up to 2 stops of shutter speed. Theoretically it allows to capture sharp images of static subjects at shutter speeds down to 1/100 second(*). That is not impressive at all by today's standards.
* without the need to increase ISO sensitivity and/or use a tripod, at the same lighting conditions and at the same aperture
At the choice of the photographer the image stabilizer can operate in one of the following modes:
|Mode 1||Corrects vertical and horizontal camera shake. Mainly effective for shooting still subjects.|
|Mode 2||Corrects vertical camera shake during following shots in a horizontal direction. Corrects horizontal camera shake during following shots in a vertical direction.|
Landscape photography1)▪Wild nature photography2)1) Distant landscapes with perspective compression effect
2) On a tripod
|User Manual. English, Adobe PDF, 579 KB|
|User Manual. Русский, Adobe PDF, 567 KB|
|Prime lenses for Canon EOS DSLR cameras|
Alternatives (AF, 352..448 mm)
|Canon EF 400mm F/4 DO IS II USM||2014||⊗|
|Canon EF 400mm F/5.6L USM||1993||⊗|