Comparison of Canon EF 200-400mm f/4L IS USM Extender 1.4X and Sony FE 600mm f/4 GM OSS SEL600F40GM [S]ave
| Attribute |  Sony FE 600mm f/4 GM OSS SEL600F40GM × |  Canon EF 200-400mm f/4L IS USM Extender 1.4X × |
|---|---|---|
| Notes | Optical SteadyShot Image Stabilization; Dust and moisture resistant; Included Accessories: lens strap, lens hood, lens caps, hard case, case strap. | 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 |
| Magnification Ratio (x) | 0.14 | 0.15 |
| Filter Size (mm) | 5 | 52 |
| Length (mm) | 449 | 366 |
| Closest Focus (m) | 4.5 | 2 |
| Diagonal Angle of View (degree) | 4.20 | 6.20 - 12.00 |
| Focus Details | Internal focus via dual XD (eXtreme Dynamic) linear motors | Inner focusing; Full-time manual focus and ring USM; Ring USM, High-speed CPU and optimized AF algorithms; Power Focus mode; Focus Limiter |
| Focal Length (mm) | 600.00 | 200.00 - 400.00 |
| APS Equivalent | 900mm | 320 - 640mm |
| Brand | Sony | Canon |
| Image Circle | 35mm (Full-frame E-Mount) | 35mm |
| Name | Sony FE 600mm f/4 GM OSS SEL600F40GM | Canon EF 200-400mm f/4L IS USM Extender 1.4X |
| Weight (g) | 3040 | 3620 |
| Type | Telephoto Prime | Telephoto Zoom |
| Aperture (f) | 4.00 - 22.00 | 4.00 - 32.00 |
| Diaphragm Blades | 11 | 9 |
| Diaphragm Blades Type | circular | circular |
| Lens Construction | 24 elements in 18 groups, including 1 XA (Extreme Aspherical), 2 ED (Extra-low Dispersion), 3 Fluorite elements and 1 filter; Nano AR coating | 25 elements in 20 groups (incl. 1 rear filter); one fluorite and four UD lens elements |
| Zoom System | - | Rotating |
| Diameter (mm) | 163.6 | 128 |
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