Comparison of Canon EF 600mm f/4L IS III USM and Sony FE 600mm f/4 GM OSS SEL600F40GM [S]ave
| Attribute |  Canon EF 600mm f/4L IS III USM × |  Sony FE 600mm f/4 GM OSS SEL600F40GM × |
|---|---|---|
| Filter Size (mm) | 52 | 5 |
| Notes | Image Stabilization (up to 5-stops of correction); Dust- and water-resistant construction; Detachable, rotatable tripod collar. | Optical SteadyShot Image Stabilization; Dust and moisture resistant; Included Accessories: lens strap, lens hood, lens caps, hard case, case strap. |
| Closest Focus (m) | 4.2 | 4.5 |
| Magnification Ratio (x) | 0.15 | 0.14 |
| Type | Telephoto Prime | Telephoto Prime |
| Length (mm) | 448 | 449 |
| APS Equivalent | 960mm | 900mm |
| Diagonal Angle of View (degree) | 4.20 | 4.20 |
| Image Circle | 35mm | 35mm (Full-frame E-Mount) |
| Focal Length (mm) | 600.00 | 600.00 |
| Brand | Canon | Sony |
| Name | Canon EF 600mm f/4L IS III USM | Sony FE 600mm f/4 GM OSS SEL600F40GM |
| Weight (g) | 3050 | 3040 |
| Aperture (f) | 4.00 - 32.00 | 4.00 - 22.00 |
| Diaphragm Blades | 9 | 11 |
| Diaphragm Blades Type | circular | circular |
| Lens Construction | 17 elements in 13 groups, including 2 fluorite elements and one super UD element; Super Spectra Coating (SSC); Air Sphere Coating (ASC) | 24 elements in 18 groups, including 1 XA (Extreme Aspherical), 2 ED (Extra-low Dispersion), 3 Fluorite elements and 1 filter; Nano AR coating |
| Diameter (mm) | 168 | 163.6 |
| Focus Details | Inner focusing; full-time manual focus and Ring USM; Customizable Electronic Focusing Ring; 2 Focus Presets; | Internal focus via dual XD (eXtreme Dynamic) linear motors |
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