Canon EF 200-400mm f/4L IS USM Extender 1.4x
Professional super-telephoto with integrated 1.4x extender
Key Features
Lens Capabilities
Click the Links Below for Details
The Most Important Rings & Switches — Canon EF 200-400mm f/4L IS USM Extender 1.4x
| Ring / Switch / Control | Status | Note |
|---|---|---|
| Focus Ring | ✓ Present | |
| Zoom Ring | ✓ Present | |
| Aperture Ring | ✗ Not Present | |
| AF/MF Switch | ✓ Present | |
| Image Stabilisation Switch | ✓ Present | |
| Focus Limiter Switch | ✓ Present | |
| Function (L-Fn) Button | ✓ Present | AF Stop buttons |
| Zoom Lock Switch | ✓ Present | |
| Optical Image Stabilisation (OIS) | ✓ Present | |
| Weather Sealing | ✓ Present |
How-to Use Canon EF 200-400mm f/4L IS USM Extender 1.4x
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 200-400mm f/4L IS USM Extender 1.4x
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 | 200-400mm (280-560mm with extender) |
| Max Aperture | f/4 (f/5.6 with extender) |
| Min Aperture | f/32 |
| Lens Construction | 24 elements in 20 groups |
| Min Focus Distance | 2.0m |
| Max Magnification | 0.15x (0.21x with extender) |
| Diaphragm Blades | 9 |
| Filter Size | 52mm (drop-in) |
| Stabilization | 4 stops |
| Weight | 3620g |
| Dimensions | 128 x 366 mm |
