Canon EF 400mm f/5.6L USM
Legendary sharp prime for handheld wildlife photography
Key Features
Lens Capabilities
Click the Links Below for Details
The Most Important Rings & Switches — Canon EF 400mm f/5.6L USM
| Ring / Switch / Control | Status | Note |
|---|---|---|
| Focus Ring | ✓ Present | |
| Zoom Ring | ✗ Not Present | |
| Aperture Ring | ✗ Not Present | |
| AF/MF Switch | ✓ Present | |
| Image Stabilisation Switch | ✗ Not Present | |
| Focus Limiter Switch | ✓ Present | |
| Function (L-Fn) Button | ✗ Not Present | |
| Zoom Lock Switch | ✗ Not Present | |
| Optical Image Stabilisation (OIS) | ✗ Not Present | |
| Weather Sealing | ✓ Present |
How-to Use Canon EF 400mm f/5.6L USM
Welcome to the How-to section of the lens. In this Light & Composition University website, each page for a lens has a how-to section and a section for learning. The rings, switches and controls of each lens are placed differently between brands and models. The how-to section helps you operate the lens; however, if you are interested in learning photography, you also need to know what each control changes and why you would change it. Click the “Learn” or scroll down.
Learn & Master Photography with Canon EF 400mm f/5.6L USM
For over a decade, we have been teaching photography following a university standard. No one does it better than us. We have a selection of courses, diplomas, graduate and post-graduate programs, as well as some of our best-selling university press publications, to guide you in the best possible way for your lens. Enroll in the fundamentals and then move to the genres you want to master.
Technical Specification
| Focal Length | 400mm |
| Maximum Aperture | f/5.6 |
| Minimum Aperture | f/32 |
| Lens Construction | 7 elements in 6 groups |
| Minimum Focus Distance | 3.5m |
| Maximum Magnification | 0.12x |
| Diaphragm Blades | 8 |
| Filter Size | 77mm |
| Focus Motor | Ring USM |
| Image Stabilization | No |
| Weather Sealing | Yes |
| Tripod Collar | Yes (Built-in) |
| Weight | 1250g |
| Dimensions | 90mm x 256.5mm |