Lens finder
Canon EF 400mm f/5.6L USM
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Full frame sized imageLenses that create APS-C sized image are designed for digital only. They cannot be used on cameras that have image sensor larger than the APS-C format. These lenses are not suitable for film cameras either. Ultrasonic AFLenses with ultrasonic focusing mechanism tend to be quiter and faster than traditionally focusing lenses. No stepping motor AFLenses with stepping motor focusing mechanism are better for contrast based focusing, and are quiter and faster than traditionally focusing lenses. One or more Low Dispersion lens element is usedLow Dispersion lens elements help to reduce chromatic aberration. Not stabilizedImage stabilization helps to reduce blur caused by hand shake, especially at high focal length or in low light situations. Image stabilization can give 1 to 3 stop advantage over none stabilized lens, based on the reciprocal rule. Metal mountCheaper lenses are usually equipped with plastic mount, while more expensive, professional lenses have metal mount. In general, metal mounts are more durable, and a good thing to have when lenses are changed a lot. When a camera is used mainly with one lens, the material of the lens mount is not that important. Internal FocusingInternally focusing lenses don't change their size while setting focus. The front lens is fixedThe fixed front lens is not rotating during zoom and/or focusing. This allows the photographer to use petal shaped lens hood. Fixed front lenses also make the use of polarization filters a lot easier. |
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This high-performance lens was designed with portability and handling ease in mind. One super UD-glass element, whose characteristics are similar to fluorite, and one UD-glass element result in sharp pictures from corner-to corner. The lens also has a built-in hood and a detachable tripod mount.
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Canon EF 400mm f/5.6L USM Specification
| Available mount(s) | Canon EF |
| Application(s) | Wildlife |
| Category(s) | Super telephoto |
| Multiplier | 1× |
| Stabilizer | no |
| Focal length | 400 mm (prime) |
| Lens construction | 7 elements in 6 groups |
| Angle of view |
35mm: 6.16° digital: N/A |
| Number of blades | 8 |
| Maximum aperture | f/5.6 |
| Minimum aperture | f/32 |
| Minimum focusing distance | 350 cm |
| Magnification | 0.12× |
| Filter size | 77 mm |
| Size | ∅ 90 × 256.5 mm |
| Weight | 1250 g |
| Notes |
Mechanical full-time manual focusing built-in.
Built-in hood. |
| AF speed | N/A |
| AF sound | |
| Internal focusing | yes |
| Internal zoom | N/A |
| Fix front lens | yes |
| Mount type | metal |
| Weather sealed | N/A |
| Drop in filter | N/A |
| Ultrasonic AF | yes |
| Stepping motor AF | no |
| APS-C sized circle | no |
| Low dispersion lens element | yes |
| Hard case | LH-D29 (not included) |
| Soft case | LZ1132 (not included) |
| Lens hood | N/A |
| Tripod adapter | included |
Canon EF 400mm f/5.6L USM Reviews
Other reviews
- Canon EF 400mm f/5.6L USM review at www.slrgear.com (English)
Canon EF 400mm f/5.6L USM in the news
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