Comparison of Canon EF 400mm f/4 DO IS USM and Sony FE 600mm f/4 GM OSS SEL600F40GM [S]ave
| Attribute |  Sony FE 600mm f/4 GM OSS SEL600F40GM × |  Canon EF 400mm f/4 DO IS USM × |
|---|---|---|
| Filter Size (mm) | 5 | 52 |
| Notes | Optical SteadyShot Image Stabilization; Dust and moisture resistant; Included Accessories: lens strap, lens hood, lens caps, hard case, case strap. | Image Stabilization |
| Closest Focus (m) | 4.5 | 3.5 |
| Magnification Ratio (x) | 0.14 | 0.12 |
| Type | Telephoto Prime | Telephoto Prime |
| Focus Details | Internal focus via dual XD (eXtreme Dynamic) linear motors | Inner focusing; full-time manual focus and USM |
| APS Equivalent | 900mm | 640mm |
| Diameter (mm) | 163.6 | 128 |
| Image Circle | 35mm (Full-frame E-Mount) | 35mm |
| Focal Length (mm) | 600.00 | 400.00 |
| Brand | Sony | Canon |
| Name | Sony FE 600mm f/4 GM OSS SEL600F40GM | Canon EF 400mm f/4 DO IS USM |
| Weight (g) | 3040 | 1940 |
| Aperture (f) | 4.00 - 22.00 | 4.00 - 32.00 |
| Diaphragm Blades | 11 | 8 |
| Diagonal Angle of View (degree) | 4.20 | 6.20 |
| Length (mm) | 449 | 233 |
| Diaphragm Blades Type | 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 | 17 elements in 13 groups, including 1 flourite and 1 DO element |
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