Comparison of Canon EF 500mm ƒ/4L IS II USM and Sony FE 400mm f/2.8 GM OSS SEL400F28GM [S]ave
| Attribute |  Canon EF 500mm ƒ/4L IS II USM × |  Sony FE 400mm f/2.8 GM OSS SEL400F28GM × |
|---|---|---|
| Filter Size (mm) | 52 | 5 |
| Notes | Image Stabilization (up to 4-stops), includes new Mode 3 that activates IS only when the shutter button is fully pressed. | Optical SteadyShot Image Stabilization; Dust and moisture resistant |
| Closest Focus (m) | 3.7 | 2.7 |
| Magnification Ratio (x) | 0.15 | 0.16 |
| Type | Telephoto Prime | Telephoto Prime |
| Focus Details | Inner focusing; full-time manual focus and USM | Internal focus via dual XD (eXtreme Dynamic) Linear Motors |
| APS Equivalent | 800mm | 600mm |
| Diameter (mm) | 146 | 158.1 |
| Image Circle | 35mm | 35mm (Full-frame E-Mount) |
| Focal Length (mm) | 500.00 | 400.00 |
| Brand | Canon | Sony |
| Name | Canon EF 500mm ƒ/4L IS II USM | Sony FE 400mm f/2.8 GM OSS SEL400F28GM |
| Weight (g) | 3190 | 2895 |
| Aperture (f) | 4.00 - 32.00 | 2.80 - 22.00 |
| Diaphragm Blades | 9 | 11 |
| Diagonal Angle of View (degree) | 5.00 | 6.20 |
| Length (mm) | 383 | 359 |
| Diaphragm Blades Type | - | circular |
| Lens Construction | 16 elements in 12 groups; Fluorite: G2 and G4, UD Lens: None | 23 elements in 17 groups, including 1 ED and 3 Fluorite elements; Fluorine coating |
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