| Attribute | Value |
|---|---|
| Focus Details | Inner focusing; Full-time manual focus and ring USM; Ring USM, High-speed CPU and optimized AF algorithms; Power Focus mode; Focus Limiter |
| Diameter | 128 mm |
| Zoom System | Rotating |
| Diagonal Angle of View | 6.20 - 12.00 degree |
| Diaphragm Blades Type | circular |
| Aperture | 4.00 - 32.00 f |
| Notes | Built-in 1.4x extender (8 elements in 4 groups) switches to 280-560mm f/5.6 lens with 0.21x / 1.48 magnification ratio; 4-stop Image Stabilization |
| Filter Size | 52 mm |
| Magnification Ratio | 0.15 x |
| Closest Focus | 2 m |
| Length | 366 mm |
| Lens Construction | 25 elements in 20 groups (incl. 1 rear filter); one fluorite and four UD lens elements |
| Diaphragm Blades | 9 |
| APS Equivalent | 320 - 640mm |
| Focal Length | 200.00 - 400.00 mm |
| Image Circle | 35mm |
| Brand | Canon |
| Name | Canon EF 200-400mm f/4L IS USM Extender 1.4X |
| Weight | 3620 g |
| Type | Telephoto Zoom |
| 35mm Equivalent | Add |
| Effective Reduction in Aperture | Add |
| Focal Length Multiplier | Add |
| APS-C Equivalent | Add |
| Front Element Rotation | Add |